Home / 1,255,691.42-1,883,494.88-545,719.54

Finding the Fourth Proportional to 1,255,691.42, 1,883,494.88 and 545,719.54

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Solution

The fourth proportional to 1,255,691.42, 1,883,494.88 and 545,719.54 is: 818,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,691.42 : 1,883,494.88 = 545,719.54 : x
  2. Step 2: Convert to fraction form
    1,255,691.42/1,883,494.88 = 545,719.54/x
  3. Step 3: Cross multiply
    1,255,691.42x = 1,883,494.88 × 545,719.54
  4. Step 4: Simplify right side
    1,255,691.42x = 1,027,859,959,505.96
  5. Step 5: Solve for x
    x = 1,027,859,959,505.96/1,255,691.42
  6. Step 6: Final answer
    x = 818,560.95

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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.