Home / 1,204,030.52-1,661,636.76-667,486.52

Finding the Fourth Proportional to 1,204,030.52, 1,661,636.76 and 667,486.52

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Solution

The fourth proportional to 1,204,030.52, 1,661,636.76 and 667,486.52 is: 921,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,030.52 : 1,661,636.76 = 667,486.52 : x
  2. Step 2: Convert to fraction form
    1,204,030.52/1,661,636.76 = 667,486.52/x
  3. Step 3: Cross multiply
    1,204,030.52x = 1,661,636.76 × 667,486.52
  4. Step 4: Simplify right side
    1,204,030.52x = 1,109,120,138,436.48
  5. Step 5: Solve for x
    x = 1,109,120,138,436.48/1,204,030.52
  6. Step 6: Final answer
    x = 921,172.78

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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.