Home / 915,843.70-1,373,125.55-541,674.10

Finding the Fourth Proportional to 915,843.70, 1,373,125.55 and 541,674.10

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Solution

The fourth proportional to 915,843.70, 1,373,125.55 and 541,674.10 is: 812,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,843.70 : 1,373,125.55 = 541,674.10 : x
  2. Step 2: Convert to fraction form
    915,843.70/1,373,125.55 = 541,674.10/x
  3. Step 3: Cross multiply
    915,843.70x = 1,373,125.55 × 541,674.10
  4. Step 4: Simplify right side
    915,843.70x = 743,786,546,483.26
  5. Step 5: Solve for x
    x = 743,786,546,483.26/915,843.70
  6. Step 6: Final answer
    x = 812,132.62

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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.