Home / 1,436,455.52-1,982,314.62-791,861.57

Finding the Fourth Proportional to 1,436,455.52, 1,982,314.62 and 791,861.57

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Solution

The fourth proportional to 1,436,455.52, 1,982,314.62 and 791,861.57 is: 1,092,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,455.52 : 1,982,314.62 = 791,861.57 : x
  2. Step 2: Convert to fraction form
    1,436,455.52/1,982,314.62 = 791,861.57/x
  3. Step 3: Cross multiply
    1,436,455.52x = 1,982,314.62 × 791,861.57
  4. Step 4: Simplify right side
    1,436,455.52x = 1,569,718,767,227.15
  5. Step 5: Solve for x
    x = 1,569,718,767,227.15/1,436,455.52
  6. Step 6: Final answer
    x = 1,092,772.28

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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.