Home / 1,392,256.92-2,088,387.17-381,387.76

Finding the Fourth Proportional to 1,392,256.92, 2,088,387.17 and 381,387.76

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Solution

The fourth proportional to 1,392,256.92, 2,088,387.17 and 381,387.76 is: 572,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,256.92 : 2,088,387.17 = 381,387.76 : x
  2. Step 2: Convert to fraction form
    1,392,256.92/2,088,387.17 = 381,387.76/x
  3. Step 3: Cross multiply
    1,392,256.92x = 2,088,387.17 × 381,387.76
  4. Step 4: Simplify right side
    1,392,256.92x = 796,485,304,779.04
  5. Step 5: Solve for x
    x = 796,485,304,779.04/1,392,256.92
  6. Step 6: Final answer
    x = 572,082.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.