Home / 1,025,961.38-1,539,107.50-315,989.18

Finding the Fourth Proportional to 1,025,961.38, 1,539,107.50 and 315,989.18

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Solution

The fourth proportional to 1,025,961.38, 1,539,107.50 and 315,989.18 is: 474,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,961.38 : 1,539,107.50 = 315,989.18 : x
  2. Step 2: Convert to fraction form
    1,025,961.38/1,539,107.50 = 315,989.18/x
  3. Step 3: Cross multiply
    1,025,961.38x = 1,539,107.50 × 315,989.18
  4. Step 4: Simplify right side
    1,025,961.38x = 486,341,316,856.85
  5. Step 5: Solve for x
    x = 486,341,316,856.85/1,025,961.38
  6. Step 6: Final answer
    x = 474,034.72

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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.