Home / 1,266,163.46-1,899,279.06-413,286.92

Finding the Fourth Proportional to 1,266,163.46, 1,899,279.06 and 413,286.92

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Solution

The fourth proportional to 1,266,163.46, 1,899,279.06 and 413,286.92 is: 619,941.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,163.46 : 1,899,279.06 = 413,286.92 : x
  2. Step 2: Convert to fraction form
    1,266,163.46/1,899,279.06 = 413,286.92/x
  3. Step 3: Cross multiply
    1,266,163.46x = 1,899,279.06 × 413,286.92
  4. Step 4: Simplify right side
    1,266,163.46x = 784,947,192,927.90
  5. Step 5: Solve for x
    x = 784,947,192,927.90/1,266,163.46
  6. Step 6: Final answer
    x = 619,941.44

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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.