Home / 1,208,399.52-1,667,119.38-691,877.37

Finding the Fourth Proportional to 1,208,399.52, 1,667,119.38 and 691,877.37

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Solution

The fourth proportional to 1,208,399.52, 1,667,119.38 and 691,877.37 is: 954,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,399.52 : 1,667,119.38 = 691,877.37 : x
  2. Step 2: Convert to fraction form
    1,208,399.52/1,667,119.38 = 691,877.37/x
  3. Step 3: Cross multiply
    1,208,399.52x = 1,667,119.38 × 691,877.37
  4. Step 4: Simplify right side
    1,208,399.52x = 1,153,442,172,110.43
  5. Step 5: Solve for x
    x = 1,153,442,172,110.43/1,208,399.52
  6. Step 6: Final answer
    x = 954,520.55

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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.