Home / 1,392,252.92-2,088,381.16-381,383.76

Finding the Fourth Proportional to 1,392,252.92, 2,088,381.16 and 381,383.76

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Solution

The fourth proportional to 1,392,252.92, 2,088,381.16 and 381,383.76 is: 572,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,252.92 : 2,088,381.16 = 381,383.76 : x
  2. Step 2: Convert to fraction form
    1,392,252.92/2,088,381.16 = 381,383.76/x
  3. Step 3: Cross multiply
    1,392,252.92x = 2,088,381.16 × 381,383.76
  4. Step 4: Simplify right side
    1,392,252.92x = 796,474,651,759.26
  5. Step 5: Solve for x
    x = 796,474,651,759.26/1,392,252.92
  6. Step 6: Final answer
    x = 572,076.12

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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.