Finding the Fourth Proportional to 1,292,265.80, 1,940,472.30 and 873,398.60
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Solution
The fourth proportional to 1,292,265.80, 1,940,472.30 and 873,398.60 is: 1,311,499.38
Step by Step Solution
- Step 1: Write the proportion equation
1,292,265.80 : 1,940,472.30 = 873,398.60 : x - Step 2: Convert to fraction form
1,292,265.80/1,940,472.30 = 873,398.60/x - Step 3: Cross multiply
1,292,265.80x = 1,940,472.30 × 873,398.60 - Step 4: Simplify right side
1,292,265.80x = 1,694,805,790,158.78 - Step 5: Solve for x
x = 1,694,805,790,158.78/1,292,265.80 - Step 6: Final answer
x = 1,311,499.38
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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.