Home / 1,435,745.62-1,981,342.24-791,188.88

Finding the Fourth Proportional to 1,435,745.62, 1,981,342.24 and 791,188.88

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Solution

The fourth proportional to 1,435,745.62, 1,981,342.24 and 791,188.88 is: 1,091,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,745.62 : 1,981,342.24 = 791,188.88 : x
  2. Step 2: Convert to fraction form
    1,435,745.62/1,981,342.24 = 791,188.88/x
  3. Step 3: Cross multiply
    1,435,745.62x = 1,981,342.24 × 791,188.88
  4. Step 4: Simplify right side
    1,435,745.62x = 1,567,615,947,762.29
  5. Step 5: Solve for x
    x = 1,567,615,947,762.29/1,435,745.62
  6. Step 6: Final answer
    x = 1,091,847.97

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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.