Home / 1,208,180.52-1,667,246.43-664,312.50

Finding the Fourth Proportional to 1,208,180.52, 1,667,246.43 and 664,312.50

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Solution

The fourth proportional to 1,208,180.52, 1,667,246.43 and 664,312.50 is: 916,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,180.52 : 1,667,246.43 = 664,312.50 : x
  2. Step 2: Convert to fraction form
    1,208,180.52/1,667,246.43 = 664,312.50/x
  3. Step 3: Cross multiply
    1,208,180.52x = 1,667,246.43 × 664,312.50
  4. Step 4: Simplify right side
    1,208,180.52x = 1,107,572,644,029.38
  5. Step 5: Solve for x
    x = 1,107,572,644,029.38/1,208,180.52
  6. Step 6: Final answer
    x = 916,727.78

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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.