Home / 1,040,132.45-1,557,088.27-978,615.65

Finding the Fourth Proportional to 1,040,132.45, 1,557,088.27 and 978,615.65

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Solution

The fourth proportional to 1,040,132.45, 1,557,088.27 and 978,615.65 is: 1,464,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,132.45 : 1,557,088.27 = 978,615.65 : x
  2. Step 2: Convert to fraction form
    1,040,132.45/1,557,088.27 = 978,615.65/x
  3. Step 3: Cross multiply
    1,040,132.45x = 1,557,088.27 × 978,615.65
  4. Step 4: Simplify right side
    1,040,132.45x = 1,523,790,949,453.43
  5. Step 5: Solve for x
    x = 1,523,790,949,453.43/1,040,132.45
  6. Step 6: Final answer
    x = 1,464,997.03

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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.