Home / 1,265,179.20-1,895,669.28-890,414.88

Finding the Fourth Proportional to 1,265,179.20, 1,895,669.28 and 890,414.88

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Solution

The fourth proportional to 1,265,179.20, 1,895,669.28 and 890,414.88 is: 1,334,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,179.20 : 1,895,669.28 = 890,414.88 : x
  2. Step 2: Convert to fraction form
    1,265,179.20/1,895,669.28 = 890,414.88/x
  3. Step 3: Cross multiply
    1,265,179.20x = 1,895,669.28 × 890,414.88
  4. Step 4: Simplify right side
    1,265,179.20x = 1,687,932,134,470.89
  5. Step 5: Solve for x
    x = 1,687,932,134,470.89/1,265,179.20
  6. Step 6: Final answer
    x = 1,334,144.71

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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.