Home / 1,279,807.59-1,920,027.14-381,245.84

Finding the Fourth Proportional to 1,279,807.59, 1,920,027.14 and 381,245.84

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Solution

The fourth proportional to 1,279,807.59, 1,920,027.14 and 381,245.84 is: 571,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,807.59 : 1,920,027.14 = 381,245.84 : x
  2. Step 2: Convert to fraction form
    1,279,807.59/1,920,027.14 = 381,245.84/x
  3. Step 3: Cross multiply
    1,279,807.59x = 1,920,027.14 × 381,245.84
  4. Step 4: Simplify right side
    1,279,807.59x = 732,002,356,935.51
  5. Step 5: Solve for x
    x = 732,002,356,935.51/1,279,807.59
  6. Step 6: Final answer
    x = 571,962.82

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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.