Finding the Fourth Proportional to 1,125,644.11, 1,553,373.45 and 616,346.48
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Solution
The fourth proportional to 1,125,644.11, 1,553,373.45 and 616,346.48 is: 850,549.70
Step by Step Solution
- Step 1: Write the proportion equation
1,125,644.11 : 1,553,373.45 = 616,346.48 : x - Step 2: Convert to fraction form
1,125,644.11/1,553,373.45 = 616,346.48/x - Step 3: Cross multiply
1,125,644.11x = 1,553,373.45 × 616,346.48 - Step 4: Simplify right side
1,125,644.11x = 957,416,261,916.39 - Step 5: Solve for x
x = 957,416,261,916.39/1,125,644.11 - Step 6: Final answer
x = 850,549.70
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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.