Home / 1,436,382.45-1,982,221.25-791,825.70

Finding the Fourth Proportional to 1,436,382.45, 1,982,221.25 and 791,825.70

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Solution

The fourth proportional to 1,436,382.45, 1,982,221.25 and 791,825.70 is: 1,092,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,382.45 : 1,982,221.25 = 791,825.70 : x
  2. Step 2: Convert to fraction form
    1,436,382.45/1,982,221.25 = 791,825.70/x
  3. Step 3: Cross multiply
    1,436,382.45x = 1,982,221.25 × 791,825.70
  4. Step 4: Simplify right side
    1,436,382.45x = 1,569,573,724,877.00
  5. Step 5: Solve for x
    x = 1,569,573,724,877.00/1,436,382.45
  6. Step 6: Final answer
    x = 1,092,726.89

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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.