Home / 1,208,180.40-1,667,246.27-664,312.38

Finding the Fourth Proportional to 1,208,180.40, 1,667,246.27 and 664,312.38

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Solution

The fourth proportional to 1,208,180.40, 1,667,246.27 and 664,312.38 is: 916,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,180.40 : 1,667,246.27 = 664,312.38 : x
  2. Step 2: Convert to fraction form
    1,208,180.40/1,667,246.27 = 664,312.38/x
  3. Step 3: Cross multiply
    1,208,180.40x = 1,667,246.27 × 664,312.38
  4. Step 4: Simplify right side
    1,208,180.40x = 1,107,572,334,348.26
  5. Step 5: Solve for x
    x = 1,107,572,334,348.26/1,208,180.40
  6. Step 6: Final answer
    x = 916,727.61

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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.