Home / 1,324,610.96-1,987,251.78-377,985.20

Finding the Fourth Proportional to 1,324,610.96, 1,987,251.78 and 377,985.20

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Solution

The fourth proportional to 1,324,610.96, 1,987,251.78 and 377,985.20 is: 567,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,610.96 : 1,987,251.78 = 377,985.20 : x
  2. Step 2: Convert to fraction form
    1,324,610.96/1,987,251.78 = 377,985.20/x
  3. Step 3: Cross multiply
    1,324,610.96x = 1,987,251.78 × 377,985.20
  4. Step 4: Simplify right side
    1,324,610.96x = 751,151,761,513.66
  5. Step 5: Solve for x
    x = 751,151,761,513.66/1,324,610.96
  6. Step 6: Final answer
    x = 567,073.49

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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.