Finding the Fourth Proportional to 1,125,311.04, 1,552,929.84 and 616,013.28
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Solution
The fourth proportional to 1,125,311.04, 1,552,929.84 and 616,013.28 is: 850,098.66
Step by Step Solution
- Step 1: Write the proportion equation
1,125,311.04 : 1,552,929.84 = 616,013.28 : x - Step 2: Convert to fraction form
1,125,311.04/1,552,929.84 = 616,013.28/x - Step 3: Cross multiply
1,125,311.04x = 1,552,929.84 × 616,013.28 - Step 4: Simplify right side
1,125,311.04x = 956,625,404,348.28 - Step 5: Solve for x
x = 956,625,404,348.28/1,125,311.04 - Step 6: Final answer
x = 850,098.66
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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.