Finding the Fourth Proportional to 1,053,592.64, 1,579,748.97 and 413,129.09
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Solution
The fourth proportional to 1,053,592.64, 1,579,748.97 and 413,129.09 is: 619,442.69
Step by Step Solution
- Step 1: Write the proportion equation
1,053,592.64 : 1,579,748.97 = 413,129.09 : x - Step 2: Convert to fraction form
1,053,592.64/1,579,748.97 = 413,129.09/x - Step 3: Cross multiply
1,053,592.64x = 1,579,748.97 × 413,129.09 - Step 4: Simplify right side
1,053,592.64x = 652,640,254,404.54 - Step 5: Solve for x
x = 652,640,254,404.54/1,053,592.64 - Step 6: Final answer
x = 619,442.69
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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.