Step-by-step explanation:
Malthus said that "population would grow at a geometric rate while food production increased at an arithmetic rate. Unless birth rates were checked or wars and disease raised the death rate, he said, England and the rest of world would face inevitable famine and a subsistence standard of living."
Malthus didn't take in cosideration that many technological advances (such as machines, preservatives, refrigeration, pesticides) would help to produce huge quantities of food to equilibrate that population grow.