Home / 982,180.44-1,472,974.56-645,207.48

Finding the Fourth Proportional to 982,180.44, 1,472,974.56 and 645,207.48

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Solution

The fourth proportional to 982,180.44, 1,472,974.56 and 645,207.48 is: 967,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,180.44 : 1,472,974.56 = 645,207.48 : x
  2. Step 2: Convert to fraction form
    982,180.44/1,472,974.56 = 645,207.48/x
  3. Step 3: Cross multiply
    982,180.44x = 1,472,974.56 × 645,207.48
  4. Step 4: Simplify right side
    982,180.44x = 950,374,203,961.71
  5. Step 5: Solve for x
    x = 950,374,203,961.71/982,180.44
  6. Step 6: Final answer
    x = 967,616.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.