Home / 1,392,350.28-2,088,527-381,480.80

Finding the Fourth Proportional to 1,392,350.28, 2,088,527 and 381,480.80

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Solution

The fourth proportional to 1,392,350.28, 2,088,527 and 381,480.80 is: 572,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,350.28 : 2,088,527 = 381,480.80 : x
  2. Step 2: Convert to fraction form
    1,392,350.28/2,088,527 = 381,480.80/x
  3. Step 3: Cross multiply
    1,392,350.28x = 2,088,527 × 381,480.80
  4. Step 4: Simplify right side
    1,392,350.28x = 796,732,950,781.60
  5. Step 5: Solve for x
    x = 796,732,950,781.60/1,392,350.28
  6. Step 6: Final answer
    x = 572,221.63

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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.