Home / 1,435,793.20-1,981,407.72-791,236.52

Finding the Fourth Proportional to 1,435,793.20, 1,981,407.72 and 791,236.52

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Solution

The fourth proportional to 1,435,793.20, 1,981,407.72 and 791,236.52 is: 1,091,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,793.20 : 1,981,407.72 = 791,236.52 : x
  2. Step 2: Convert to fraction form
    1,435,793.20/1,981,407.72 = 791,236.52/x
  3. Step 3: Cross multiply
    1,435,793.20x = 1,981,407.72 × 791,236.52
  4. Step 4: Simplify right side
    1,435,793.20x = 1,567,762,149,073.93
  5. Step 5: Solve for x
    x = 1,567,762,149,073.93/1,435,793.20
  6. Step 6: Final answer
    x = 1,091,913.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.