Finding the Fourth Proportional to 1,125,687.33, 1,553,451.12 and 609,446.70
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Solution
The fourth proportional to 1,125,687.33, 1,553,451.12 and 609,446.70 is: 841,037.86
Step by Step Solution
- Step 1: Write the proportion equation
1,125,687.33 : 1,553,451.12 = 609,446.70 : x - Step 2: Convert to fraction form
1,125,687.33/1,553,451.12 = 609,446.70/x - Step 3: Cross multiply
1,125,687.33x = 1,553,451.12 × 609,446.70 - Step 4: Simplify right side
1,125,687.33x = 946,745,658,695.30 - Step 5: Solve for x
x = 946,745,658,695.30/1,125,687.33 - Step 6: Final answer
x = 841,037.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.