Home / 1,392,249.31-2,088,375.60-381,379.94

Finding the Fourth Proportional to 1,392,249.31, 2,088,375.60 and 381,379.94

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Solution

The fourth proportional to 1,392,249.31, 2,088,375.60 and 381,379.94 is: 572,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,249.31 : 2,088,375.60 = 381,379.94 : x
  2. Step 2: Convert to fraction form
    1,392,249.31/2,088,375.60 = 381,379.94/x
  3. Step 3: Cross multiply
    1,392,249.31x = 2,088,375.60 × 381,379.94
  4. Step 4: Simplify right side
    1,392,249.31x = 796,464,569,447.02
  5. Step 5: Solve for x
    x = 796,464,569,447.02/1,392,249.31
  6. Step 6: Final answer
    x = 572,070.36

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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.