Home / 1,392,302.94-2,088,456.24-381,433.78

Finding the Fourth Proportional to 1,392,302.94, 2,088,456.24 and 381,433.78

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Solution

The fourth proportional to 1,392,302.94, 2,088,456.24 and 381,433.78 is: 572,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,302.94 : 2,088,456.24 = 381,433.78 : x
  2. Step 2: Convert to fraction form
    1,392,302.94/2,088,456.24 = 381,433.78/x
  3. Step 3: Cross multiply
    1,392,302.94x = 2,088,456.24 × 381,433.78
  4. Step 4: Simplify right side
    1,392,302.94x = 796,607,751,813.06
  5. Step 5: Solve for x
    x = 796,607,751,813.06/1,392,302.94
  6. Step 6: Final answer
    x = 572,151.17

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1.5x scale

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.