Home / 1,285,223.40-1,926,522.90-752,470.20

Finding the Fourth Proportional to 1,285,223.40, 1,926,522.90 and 752,470.20

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Solution

The fourth proportional to 1,285,223.40, 1,926,522.90 and 752,470.20 is: 1,127,937.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,223.40 : 1,926,522.90 = 752,470.20 : x
  2. Step 2: Convert to fraction form
    1,285,223.40/1,926,522.90 = 752,470.20/x
  3. Step 3: Cross multiply
    1,285,223.40x = 1,926,522.90 × 752,470.20
  4. Step 4: Simplify right side
    1,285,223.40x = 1,449,651,071,867.58
  5. Step 5: Solve for x
    x = 1,449,651,071,867.58/1,285,223.40
  6. Step 6: Final answer
    x = 1,127,937.04

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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.