Home / 1,040,115.20-1,559,006.40-534,480.80

Finding the Fourth Proportional to 1,040,115.20, 1,559,006.40 and 534,480.80

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Solution

The fourth proportional to 1,040,115.20, 1,559,006.40 and 534,480.80 is: 801,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,115.20 : 1,559,006.40 = 534,480.80 : x
  2. Step 2: Convert to fraction form
    1,040,115.20/1,559,006.40 = 534,480.80/x
  3. Step 3: Cross multiply
    1,040,115.20x = 1,559,006.40 × 534,480.80
  4. Step 4: Simplify right side
    1,040,115.20x = 833,258,987,877.12
  5. Step 5: Solve for x
    x = 833,258,987,877.12/1,040,115.20
  6. Step 6: Final answer
    x = 801,121.83

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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.