Home / 1,148,789.76-1,723,183.82-516,965.46

Finding the Fourth Proportional to 1,148,789.76, 1,723,183.82 and 516,965.46

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Solution

The fourth proportional to 1,148,789.76, 1,723,183.82 and 516,965.46 is: 775,447.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,789.76 : 1,723,183.82 = 516,965.46 : x
  2. Step 2: Convert to fraction form
    1,148,789.76/1,723,183.82 = 516,965.46/x
  3. Step 3: Cross multiply
    1,148,789.76x = 1,723,183.82 × 516,965.46
  4. Step 4: Simplify right side
    1,148,789.76x = 890,826,516,170.86
  5. Step 5: Solve for x
    x = 890,826,516,170.86/1,148,789.76
  6. Step 6: Final answer
    x = 775,447.82

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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.