Home / 1,425,793.32-2,138,689.98-479,164.02

Finding the Fourth Proportional to 1,425,793.32, 2,138,689.98 and 479,164.02

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Solution

The fourth proportional to 1,425,793.32, 2,138,689.98 and 479,164.02 is: 718,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,793.32 : 2,138,689.98 = 479,164.02 : x
  2. Step 2: Convert to fraction form
    1,425,793.32/2,138,689.98 = 479,164.02/x
  3. Step 3: Cross multiply
    1,425,793.32x = 2,138,689.98 × 479,164.02
  4. Step 4: Simplify right side
    1,425,793.32x = 1,024,783,288,350.52
  5. Step 5: Solve for x
    x = 1,024,783,288,350.52/1,425,793.32
  6. Step 6: Final answer
    x = 718,746.03

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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.