Home / 1,425,800.32-2,138,700.48-479,171.04

Finding the Fourth Proportional to 1,425,800.32, 2,138,700.48 and 479,171.04

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Solution

The fourth proportional to 1,425,800.32, 2,138,700.48 and 479,171.04 is: 718,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,800.32 : 2,138,700.48 = 479,171.04 : x
  2. Step 2: Convert to fraction form
    1,425,800.32/2,138,700.48 = 479,171.04/x
  3. Step 3: Cross multiply
    1,425,800.32x = 2,138,700.48 × 479,171.04
  4. Step 4: Simplify right side
    1,425,800.32x = 1,024,803,333,250.10
  5. Step 5: Solve for x
    x = 1,024,803,333,250.10/1,425,800.32
  6. Step 6: Final answer
    x = 718,756.56

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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.