Home / 1,217,027.28-1,825,490.16-318,449.13

Finding the Fourth Proportional to 1,217,027.28, 1,825,490.16 and 318,449.13

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Solution

The fourth proportional to 1,217,027.28, 1,825,490.16 and 318,449.13 is: 477,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,027.28 : 1,825,490.16 = 318,449.13 : x
  2. Step 2: Convert to fraction form
    1,217,027.28/1,825,490.16 = 318,449.13/x
  3. Step 3: Cross multiply
    1,217,027.28x = 1,825,490.16 × 318,449.13
  4. Step 4: Simplify right side
    1,217,027.28x = 581,325,753,275.56
  5. Step 5: Solve for x
    x = 581,325,753,275.56/1,217,027.28
  6. Step 6: Final answer
    x = 477,660.41

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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.