Home / 1,392,241.38-2,088,363.72-381,372.06

Finding the Fourth Proportional to 1,392,241.38, 2,088,363.72 and 381,372.06

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Solution

The fourth proportional to 1,392,241.38, 2,088,363.72 and 381,372.06 is: 572,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,241.38 : 2,088,363.72 = 381,372.06 : x
  2. Step 2: Convert to fraction form
    1,392,241.38/2,088,363.72 = 381,372.06/x
  3. Step 3: Cross multiply
    1,392,241.38x = 2,088,363.72 × 381,372.06
  4. Step 4: Simplify right side
    1,392,241.38x = 796,443,573,925.66
  5. Step 5: Solve for x
    x = 796,443,573,925.66/1,392,241.38
  6. Step 6: Final answer
    x = 572,058.54

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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.