Finding the Fourth Proportional to 1,149,905.62, 1,725,120.87 and 351,300.70
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Solution
The fourth proportional to 1,149,905.62, 1,725,120.87 and 351,300.70 is: 527,031.23
Step by Step Solution
- Step 1: Write the proportion equation
1,149,905.62 : 1,725,120.87 = 351,300.70 : x - Step 2: Convert to fraction form
1,149,905.62/1,725,120.87 = 351,300.70/x - Step 3: Cross multiply
1,149,905.62x = 1,725,120.87 × 351,300.70 - Step 4: Simplify right side
1,149,905.62x = 606,036,169,215.61 - Step 5: Solve for x
x = 606,036,169,215.61/1,149,905.62 - Step 6: Final answer
x = 527,031.23
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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.