Finding the Fourth Proportional to 1,531,354.02, 2,298,448.84 and 773,728.70
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Solution
The fourth proportional to 1,531,354.02, 2,298,448.84 and 773,728.70 is: 1,161,309.41
Step by Step Solution
- Step 1: Write the proportion equation
1,531,354.02 : 2,298,448.84 = 773,728.70 : x - Step 2: Convert to fraction form
1,531,354.02/2,298,448.84 = 773,728.70/x - Step 3: Cross multiply
1,531,354.02x = 2,298,448.84 × 773,728.70 - Step 4: Simplify right side
1,531,354.02x = 1,778,375,832,989.71 - Step 5: Solve for x
x = 1,778,375,832,989.71/1,531,354.02 - Step 6: Final answer
x = 1,161,309.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.