Home / 1,435,912.24-1,981,572.42-791,355.64

Finding the Fourth Proportional to 1,435,912.24, 1,981,572.42 and 791,355.64

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Solution

The fourth proportional to 1,435,912.24, 1,981,572.42 and 791,355.64 is: 1,092,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,912.24 : 1,981,572.42 = 791,355.64 : x
  2. Step 2: Convert to fraction form
    1,435,912.24/1,981,572.42 = 791,355.64/x
  3. Step 3: Cross multiply
    1,435,912.24x = 1,981,572.42 × 791,355.64
  4. Step 4: Simplify right side
    1,435,912.24x = 1,568,128,510,635.45
  5. Step 5: Solve for x
    x = 1,568,128,510,635.45/1,435,912.24
  6. Step 6: Final answer
    x = 1,092,078.24

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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.