Home / 1,436,225.29-1,981,990.91-791,659.32

Finding the Fourth Proportional to 1,436,225.29, 1,981,990.91 and 791,659.32

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Solution

The fourth proportional to 1,436,225.29, 1,981,990.91 and 791,659.32 is: 1,092,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,225.29 : 1,981,990.91 = 791,659.32 : x
  2. Step 2: Convert to fraction form
    1,436,225.29/1,981,990.91 = 791,659.32/x
  3. Step 3: Cross multiply
    1,436,225.29x = 1,981,990.91 × 791,659.32
  4. Step 4: Simplify right side
    1,436,225.29x = 1,569,061,577,299.08
  5. Step 5: Solve for x
    x = 1,569,061,577,299.08/1,436,225.29
  6. Step 6: Final answer
    x = 1,092,489.87

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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.