Home / 1,229,963.57-1,845,478.21-660,680.49

Finding the Fourth Proportional to 1,229,963.57, 1,845,478.21 and 660,680.49

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Solution

The fourth proportional to 1,229,963.57, 1,845,478.21 and 660,680.49 is: 991,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,963.57 : 1,845,478.21 = 660,680.49 : x
  2. Step 2: Convert to fraction form
    1,229,963.57/1,845,478.21 = 660,680.49/x
  3. Step 3: Cross multiply
    1,229,963.57x = 1,845,478.21 × 660,680.49
  4. Step 4: Simplify right side
    1,229,963.57x = 1,219,271,448,067.12
  5. Step 5: Solve for x
    x = 1,219,271,448,067.12/1,229,963.57
  6. Step 6: Final answer
    x = 991,306.96

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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.