Home / 1,396,976.25-1,929,290.87-962,523.24

Finding the Fourth Proportional to 1,396,976.25, 1,929,290.87 and 962,523.24

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Solution

The fourth proportional to 1,396,976.25, 1,929,290.87 and 962,523.24 is: 1,329,290.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,976.25 : 1,929,290.87 = 962,523.24 : x
  2. Step 2: Convert to fraction form
    1,396,976.25/1,929,290.87 = 962,523.24/x
  3. Step 3: Cross multiply
    1,396,976.25x = 1,929,290.87 × 962,523.24
  4. Step 4: Simplify right side
    1,396,976.25x = 1,856,987,294,282.20
  5. Step 5: Solve for x
    x = 1,856,987,294,282.20/1,396,976.25
  6. Step 6: Final answer
    x = 1,329,290.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.