Finding the Fourth Proportional to 1,145,160.12, 1,717,034.86 and 386,929.95
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Solution
The fourth proportional to 1,145,160.12, 1,717,034.86 and 386,929.95 is: 580,156.61
Step by Step Solution
- Step 1: Write the proportion equation
1,145,160.12 : 1,717,034.86 = 386,929.95 : x - Step 2: Convert to fraction form
1,145,160.12/1,717,034.86 = 386,929.95/x - Step 3: Cross multiply
1,145,160.12x = 1,717,034.86 × 386,929.95 - Step 4: Simplify right side
1,145,160.12x = 664,372,212,528.06 - Step 5: Solve for x
x = 664,372,212,528.06/1,145,160.12 - Step 6: Final answer
x = 580,156.61
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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.