Home / 982,642.20-1,471,601.28-560,638.68

Finding the Fourth Proportional to 982,642.20, 1,471,601.28 and 560,638.68

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Solution

The fourth proportional to 982,642.20, 1,471,601.28 and 560,638.68 is: 839,610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,642.20 : 1,471,601.28 = 560,638.68 : x
  2. Step 2: Convert to fraction form
    982,642.20/1,471,601.28 = 560,638.68/x
  3. Step 3: Cross multiply
    982,642.20x = 1,471,601.28 × 560,638.68
  4. Step 4: Simplify right side
    982,642.20x = 825,036,599,105.51
  5. Step 5: Solve for x
    x = 825,036,599,105.51/982,642.20
  6. Step 6: Final answer
    x = 839,610.39

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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.