Home / 1,255,651.28-1,883,435.24-545,680

Finding the Fourth Proportional to 1,255,651.28, 1,883,435.24 and 545,680

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Solution

The fourth proportional to 1,255,651.28, 1,883,435.24 and 545,680 is: 818,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,651.28 : 1,883,435.24 = 545,680 : x
  2. Step 2: Convert to fraction form
    1,255,651.28/1,883,435.24 = 545,680/x
  3. Step 3: Cross multiply
    1,255,651.28x = 1,883,435.24 × 545,680
  4. Step 4: Simplify right side
    1,255,651.28x = 1,027,752,941,763.20
  5. Step 5: Solve for x
    x = 1,027,752,941,763.20/1,255,651.28
  6. Step 6: Final answer
    x = 818,501.89

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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.