Home / 1,392,238.74-2,088,359.77-381,369.41

Finding the Fourth Proportional to 1,392,238.74, 2,088,359.77 and 381,369.41

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Solution

The fourth proportional to 1,392,238.74, 2,088,359.77 and 381,369.41 is: 572,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,238.74 : 2,088,359.77 = 381,369.41 : x
  2. Step 2: Convert to fraction form
    1,392,238.74/2,088,359.77 = 381,369.41/x
  3. Step 3: Cross multiply
    1,392,238.74x = 2,088,359.77 × 381,369.41
  4. Step 4: Simplify right side
    1,392,238.74x = 796,436,521,957.41
  5. Step 5: Solve for x
    x = 796,436,521,957.41/1,392,238.74
  6. Step 6: Final answer
    x = 572,054.56

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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.