Home / 1,013,149.71-1,519,724.25-381,915.90

Finding the Fourth Proportional to 1,013,149.71, 1,519,724.25 and 381,915.90

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Solution

The fourth proportional to 1,013,149.71, 1,519,724.25 and 381,915.90 is: 572,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,149.71 : 1,519,724.25 = 381,915.90 : x
  2. Step 2: Convert to fraction form
    1,013,149.71/1,519,724.25 = 381,915.90/x
  3. Step 3: Cross multiply
    1,013,149.71x = 1,519,724.25 × 381,915.90
  4. Step 4: Simplify right side
    1,013,149.71x = 580,406,854,690.58
  5. Step 5: Solve for x
    x = 580,406,854,690.58/1,013,149.71
  6. Step 6: Final answer
    x = 572,873.73

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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.