Home / 925,902.20-1,387,416.72-642,146.24

Finding the Fourth Proportional to 925,902.20, 1,387,416.72 and 642,146.24

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Solution

The fourth proportional to 925,902.20, 1,387,416.72 and 642,146.24 is: 962,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,902.20 : 1,387,416.72 = 642,146.24 : x
  2. Step 2: Convert to fraction form
    925,902.20/1,387,416.72 = 642,146.24/x
  3. Step 3: Cross multiply
    925,902.20x = 1,387,416.72 × 642,146.24
  4. Step 4: Simplify right side
    925,902.20x = 890,924,430,061.13
  5. Step 5: Solve for x
    x = 890,924,430,061.13/925,902.20
  6. Step 6: Final answer
    x = 962,223.04

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1.5x scale

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.