Home / 1,392,254.04-2,088,382.85-381,384.88

Finding the Fourth Proportional to 1,392,254.04, 2,088,382.85 and 381,384.88

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Solution

The fourth proportional to 1,392,254.04, 2,088,382.85 and 381,384.88 is: 572,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,254.04 : 2,088,382.85 = 381,384.88 : x
  2. Step 2: Convert to fraction form
    1,392,254.04/2,088,382.85 = 381,384.88/x
  3. Step 3: Cross multiply
    1,392,254.04x = 2,088,382.85 × 381,384.88
  4. Step 4: Simplify right side
    1,392,254.04x = 796,477,642,641.31
  5. Step 5: Solve for x
    x = 796,477,642,641.31/1,392,254.04
  6. Step 6: Final answer
    x = 572,077.81

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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.