Home / 987,318.20-1,481,025.90-514,926.20

Finding the Fourth Proportional to 987,318.20, 1,481,025.90 and 514,926.20

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Solution

The fourth proportional to 987,318.20, 1,481,025.90 and 514,926.20 is: 772,414.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,318.20 : 1,481,025.90 = 514,926.20 : x
  2. Step 2: Convert to fraction form
    987,318.20/1,481,025.90 = 514,926.20/x
  3. Step 3: Cross multiply
    987,318.20x = 1,481,025.90 × 514,926.20
  4. Step 4: Simplify right side
    987,318.20x = 762,619,038,788.58
  5. Step 5: Solve for x
    x = 762,619,038,788.58/987,318.20
  6. Step 6: Final answer
    x = 772,414.65

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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.