Finding the Fourth Proportional to 1,332,116.20, 1,998,193.20 and 433,562.68
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Solution
The fourth proportional to 1,332,116.20, 1,998,193.20 and 433,562.68 is: 650,350.17
Step by Step Solution
- Step 1: Write the proportion equation
1,332,116.20 : 1,998,193.20 = 433,562.68 : x - Step 2: Convert to fraction form
1,332,116.20/1,998,193.20 = 433,562.68/x - Step 3: Cross multiply
1,332,116.20x = 1,998,193.20 × 433,562.68 - Step 4: Simplify right side
1,332,116.20x = 866,341,998,949.78 - Step 5: Solve for x
x = 866,341,998,949.78/1,332,116.20 - Step 6: Final answer
x = 650,350.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.