Finding the Fourth Proportional to 1,125,697.29, 1,553,462.56 and 609,451.08
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Solution
The fourth proportional to 1,125,697.29, 1,553,462.56 and 609,451.08 is: 841,042.65
Step by Step Solution
- Step 1: Write the proportion equation
1,125,697.29 : 1,553,462.56 = 609,451.08 : x - Step 2: Convert to fraction form
1,125,697.29/1,553,462.56 = 609,451.08/x - Step 3: Cross multiply
1,125,697.29x = 1,553,462.56 × 609,451.08 - Step 4: Simplify right side
1,125,697.29x = 946,759,434,931.57 - Step 5: Solve for x
x = 946,759,434,931.57/1,125,697.29 - Step 6: Final answer
x = 841,042.65
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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.