Home / 1,204,029.52-1,661,635.38-667,485.52

Finding the Fourth Proportional to 1,204,029.52, 1,661,635.38 and 667,485.52

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Solution

The fourth proportional to 1,204,029.52, 1,661,635.38 and 667,485.52 is: 921,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,029.52 : 1,661,635.38 = 667,485.52 : x
  2. Step 2: Convert to fraction form
    1,204,029.52/1,661,635.38 = 667,485.52/x
  3. Step 3: Cross multiply
    1,204,029.52x = 1,661,635.38 × 667,485.52
  4. Step 4: Simplify right side
    1,204,029.52x = 1,109,117,554,018.68
  5. Step 5: Solve for x
    x = 1,109,117,554,018.68/1,204,029.52
  6. Step 6: Final answer
    x = 921,171.40

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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.