Home / 1,013,145.71-1,519,718.25-381,911.90

Finding the Fourth Proportional to 1,013,145.71, 1,519,718.25 and 381,911.90

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Solution

The fourth proportional to 1,013,145.71, 1,519,718.25 and 381,911.90 is: 572,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,145.71 : 1,519,718.25 = 381,911.90 : x
  2. Step 2: Convert to fraction form
    1,013,145.71/1,519,718.25 = 381,911.90/x
  3. Step 3: Cross multiply
    1,013,145.71x = 1,519,718.25 × 381,911.90
  4. Step 4: Simplify right side
    1,013,145.71x = 580,398,478,155.75
  5. Step 5: Solve for x
    x = 580,398,478,155.75/1,013,145.71
  6. Step 6: Final answer
    x = 572,867.73

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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.