Home / 1,137,422.88-1,569,630.96-628,115.04

Finding the Fourth Proportional to 1,137,422.88, 1,569,630.96 and 628,115.04

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Solution

The fourth proportional to 1,137,422.88, 1,569,630.96 and 628,115.04 is: 866,791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,422.88 : 1,569,630.96 = 628,115.04 : x
  2. Step 2: Convert to fraction form
    1,137,422.88/1,569,630.96 = 628,115.04/x
  3. Step 3: Cross multiply
    1,137,422.88x = 1,569,630.96 × 628,115.04
  4. Step 4: Simplify right side
    1,137,422.88x = 985,908,813,225.64
  5. Step 5: Solve for x
    x = 985,908,813,225.64/1,137,422.88
  6. Step 6: Final answer
    x = 866,791.79

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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.