Home / 1,436,458.52-1,982,318.76-791,864.57

Finding the Fourth Proportional to 1,436,458.52, 1,982,318.76 and 791,864.57

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Solution

The fourth proportional to 1,436,458.52, 1,982,318.76 and 791,864.57 is: 1,092,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,458.52 : 1,982,318.76 = 791,864.57 : x
  2. Step 2: Convert to fraction form
    1,436,458.52/1,982,318.76 = 791,864.57/x
  3. Step 3: Cross multiply
    1,436,458.52x = 1,982,318.76 × 791,864.57
  4. Step 4: Simplify right side
    1,436,458.52x = 1,569,727,992,490.33
  5. Step 5: Solve for x
    x = 1,569,727,992,490.33/1,436,458.52
  6. Step 6: Final answer
    x = 1,092,776.42

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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.