Home / 1,028,723.68-1,542,337.80-429,856.24

Finding the Fourth Proportional to 1,028,723.68, 1,542,337.80 and 429,856.24

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Solution

The fourth proportional to 1,028,723.68, 1,542,337.80 and 429,856.24 is: 644,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,723.68 : 1,542,337.80 = 429,856.24 : x
  2. Step 2: Convert to fraction form
    1,028,723.68/1,542,337.80 = 429,856.24/x
  3. Step 3: Cross multiply
    1,028,723.68x = 1,542,337.80 × 429,856.24
  4. Step 4: Simplify right side
    1,028,723.68x = 662,983,527,517.87
  5. Step 5: Solve for x
    x = 662,983,527,517.87/1,028,723.68
  6. Step 6: Final answer
    x = 644,471.92

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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.