Home / 1,254,928.40-1,731,796.50-711,167.80

Finding the Fourth Proportional to 1,254,928.40, 1,731,796.50 and 711,167.80

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Solution

The fourth proportional to 1,254,928.40, 1,731,796.50 and 711,167.80 is: 981,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,928.40 : 1,731,796.50 = 711,167.80 : x
  2. Step 2: Convert to fraction form
    1,254,928.40/1,731,796.50 = 711,167.80/x
  3. Step 3: Cross multiply
    1,254,928.40x = 1,731,796.50 × 711,167.80
  4. Step 4: Simplify right side
    1,254,928.40x = 1,231,597,906,952.70
  5. Step 5: Solve for x
    x = 1,231,597,906,952.70/1,254,928.40
  6. Step 6: Final answer
    x = 981,408.91

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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.