Home / 1,208,414.85-1,667,579.22-664,550.64

Finding the Fourth Proportional to 1,208,414.85, 1,667,579.22 and 664,550.64

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Solution

The fourth proportional to 1,208,414.85, 1,667,579.22 and 664,550.64 is: 917,061.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,414.85 : 1,667,579.22 = 664,550.64 : x
  2. Step 2: Convert to fraction form
    1,208,414.85/1,667,579.22 = 664,550.64/x
  3. Step 3: Cross multiply
    1,208,414.85x = 1,667,579.22 × 664,550.64
  4. Step 4: Simplify right side
    1,208,414.85x = 1,108,190,832,681.43
  5. Step 5: Solve for x
    x = 1,108,190,832,681.43/1,208,414.85
  6. Step 6: Final answer
    x = 917,061.58

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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.