Home / 1,208,422.43-1,667,584.76-664,556.52

Finding the Fourth Proportional to 1,208,422.43, 1,667,584.76 and 664,556.52

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Solution

The fourth proportional to 1,208,422.43, 1,667,584.76 and 664,556.52 is: 917,066.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,422.43 : 1,667,584.76 = 664,556.52 : x
  2. Step 2: Convert to fraction form
    1,208,422.43/1,667,584.76 = 664,556.52/x
  3. Step 3: Cross multiply
    1,208,422.43x = 1,667,584.76 × 664,556.52
  4. Step 4: Simplify right side
    1,208,422.43x = 1,108,204,321,587.85
  5. Step 5: Solve for x
    x = 1,108,204,321,587.85/1,208,422.43
  6. Step 6: Final answer
    x = 917,066.99

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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.