Finding the Fourth Proportional to 1,089,936.18, 1,504,320.03 and 721,764.36
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Solution
The fourth proportional to 1,089,936.18, 1,504,320.03 and 721,764.36 is: 996,172.62
Step by Step Solution
- Step 1: Write the proportion equation
1,089,936.18 : 1,504,320.03 = 721,764.36 : x - Step 2: Convert to fraction form
1,089,936.18/1,504,320.03 = 721,764.36/x - Step 3: Cross multiply
1,089,936.18x = 1,504,320.03 × 721,764.36 - Step 4: Simplify right side
1,089,936.18x = 1,085,764,583,688.13 - Step 5: Solve for x
x = 1,085,764,583,688.13/1,089,936.18 - Step 6: Final answer
x = 996,172.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.