Home / 1,208,131.24-1,667,176.24-664,234.64

Finding the Fourth Proportional to 1,208,131.24, 1,667,176.24 and 664,234.64

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Solution

The fourth proportional to 1,208,131.24, 1,667,176.24 and 664,234.64 is: 916,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,131.24 : 1,667,176.24 = 664,234.64 : x
  2. Step 2: Convert to fraction form
    1,208,131.24/1,667,176.24 = 664,234.64/x
  3. Step 3: Cross multiply
    1,208,131.24x = 1,667,176.24 × 664,234.64
  4. Step 4: Simplify right side
    1,208,131.24x = 1,107,396,209,592.95
  5. Step 5: Solve for x
    x = 1,107,396,209,592.95/1,208,131.24
  6. Step 6: Final answer
    x = 916,619.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.