Home / 1,324,587.67-1,987,177.79-483,139.42

Finding the Fourth Proportional to 1,324,587.67, 1,987,177.79 and 483,139.42

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Solution

The fourth proportional to 1,324,587.67, 1,987,177.79 and 483,139.42 is: 724,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,587.67 : 1,987,177.79 = 483,139.42 : x
  2. Step 2: Convert to fraction form
    1,324,587.67/1,987,177.79 = 483,139.42/x
  3. Step 3: Cross multiply
    1,324,587.67x = 1,987,177.79 × 483,139.42
  4. Step 4: Simplify right side
    1,324,587.67x = 960,083,921,137.39
  5. Step 5: Solve for x
    x = 960,083,921,137.39/1,324,587.67
  6. Step 6: Final answer
    x = 724,817.20

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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.