Home / 1,617,381.30-2,425,656.78-479,874.41

Finding the Fourth Proportional to 1,617,381.30, 2,425,656.78 and 479,874.41

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Solution

The fourth proportional to 1,617,381.30, 2,425,656.78 and 479,874.41 is: 719,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,381.30 : 2,425,656.78 = 479,874.41 : x
  2. Step 2: Convert to fraction form
    1,617,381.30/2,425,656.78 = 479,874.41/x
  3. Step 3: Cross multiply
    1,617,381.30x = 2,425,656.78 × 479,874.41
  4. Step 4: Simplify right side
    1,617,381.30x = 1,164,010,613,132.93
  5. Step 5: Solve for x
    x = 1,164,010,613,132.93/1,617,381.30
  6. Step 6: Final answer
    x = 719,688.43

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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.