Home / 1,436,279.87-1,982,154.89-791,698.61

Finding the Fourth Proportional to 1,436,279.87, 1,982,154.89 and 791,698.61

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Solution

The fourth proportional to 1,436,279.87, 1,982,154.89 and 791,698.61 is: 1,092,592.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,279.87 : 1,982,154.89 = 791,698.61 : x
  2. Step 2: Convert to fraction form
    1,436,279.87/1,982,154.89 = 791,698.61/x
  3. Step 3: Cross multiply
    1,436,279.87x = 1,982,154.89 × 791,698.61
  4. Step 4: Simplify right side
    1,436,279.87x = 1,569,269,271,217.70
  5. Step 5: Solve for x
    x = 1,569,269,271,217.70/1,436,279.87
  6. Step 6: Final answer
    x = 1,092,592.96

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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.