Home / 1,040,092.70-1,557,028.65-978,575.90

Finding the Fourth Proportional to 1,040,092.70, 1,557,028.65 and 978,575.90

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Solution

The fourth proportional to 1,040,092.70, 1,557,028.65 and 978,575.90 is: 1,464,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,092.70 : 1,557,028.65 = 978,575.90 : x
  2. Step 2: Convert to fraction form
    1,040,092.70/1,557,028.65 = 978,575.90/x
  3. Step 3: Cross multiply
    1,040,092.70x = 1,557,028.65 × 978,575.90
  4. Step 4: Simplify right side
    1,040,092.70x = 1,523,670,712,499.54
  5. Step 5: Solve for x
    x = 1,523,670,712,499.54/1,040,092.70
  6. Step 6: Final answer
    x = 1,464,937.42

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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.