Finding the Fourth Proportional to 1,107,138.96, 1,661,203.08 and 538,207.92
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Solution
The fourth proportional to 1,107,138.96, 1,661,203.08 and 538,207.92 is: 807,552.34
Step by Step Solution
- Step 1: Write the proportion equation
1,107,138.96 : 1,661,203.08 = 538,207.92 : x - Step 2: Convert to fraction form
1,107,138.96/1,661,203.08 = 538,207.92/x - Step 3: Cross multiply
1,107,138.96x = 1,661,203.08 × 538,207.92 - Step 4: Simplify right side
1,107,138.96x = 894,072,654,384.39 - Step 5: Solve for x
x = 894,072,654,384.39/1,107,138.96 - Step 6: Final answer
x = 807,552.34
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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.