Finding the Fourth Proportional to 1,125,543.24, 1,553,288.76 and 616,249.20
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Solution
The fourth proportional to 1,125,543.24, 1,553,288.76 and 616,249.20 is: 850,445.30
Step by Step Solution
- Step 1: Write the proportion equation
1,125,543.24 : 1,553,288.76 = 616,249.20 : x - Step 2: Convert to fraction form
1,125,543.24/1,553,288.76 = 616,249.20/x - Step 3: Cross multiply
1,125,543.24x = 1,553,288.76 × 616,249.20 - Step 4: Simplify right side
1,125,543.24x = 957,212,955,718.99 - Step 5: Solve for x
x = 957,212,955,718.99/1,125,543.24 - Step 6: Final answer
x = 850,445.30
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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.