Home / 1,255,027.62-1,731,871.67-711,169.91

Finding the Fourth Proportional to 1,255,027.62, 1,731,871.67 and 711,169.91

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Solution

The fourth proportional to 1,255,027.62, 1,731,871.67 and 711,169.91 is: 981,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,027.62 : 1,731,871.67 = 711,169.91 : x
  2. Step 2: Convert to fraction form
    1,255,027.62/1,731,871.67 = 711,169.91/x
  3. Step 3: Cross multiply
    1,255,027.62x = 1,731,871.67 × 711,169.91
  4. Step 4: Simplify right side
    1,255,027.62x = 1,231,655,007,470.24
  5. Step 5: Solve for x
    x = 1,231,655,007,470.24/1,255,027.62
  6. Step 6: Final answer
    x = 981,376.81

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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.