Home / 1,392,253.29-2,088,381.73-381,384.14

Finding the Fourth Proportional to 1,392,253.29, 2,088,381.73 and 381,384.14

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Solution

The fourth proportional to 1,392,253.29, 2,088,381.73 and 381,384.14 is: 572,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,253.29 : 2,088,381.73 = 381,384.14 : x
  2. Step 2: Convert to fraction form
    1,392,253.29/2,088,381.73 = 381,384.14/x
  3. Step 3: Cross multiply
    1,392,253.29x = 2,088,381.73 × 381,384.14
  4. Step 4: Simplify right side
    1,392,253.29x = 796,475,657,738.93
  5. Step 5: Solve for x
    x = 796,475,657,738.93/1,392,253.29
  6. Step 6: Final answer
    x = 572,076.69

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Double scale
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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.