Home / 1,087,515.12-1,500,432.24-628,462.44

Finding the Fourth Proportional to 1,087,515.12, 1,500,432.24 and 628,462.44

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Solution

The fourth proportional to 1,087,515.12, 1,500,432.24 and 628,462.44 is: 867,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,515.12 : 1,500,432.24 = 628,462.44 : x
  2. Step 2: Convert to fraction form
    1,087,515.12/1,500,432.24 = 628,462.44/x
  3. Step 3: Cross multiply
    1,087,515.12x = 1,500,432.24 × 628,462.44
  4. Step 4: Simplify right side
    1,087,515.12x = 942,965,306,605.07
  5. Step 5: Solve for x
    x = 942,965,306,605.07/1,087,515.12
  6. Step 6: Final answer
    x = 867,082.48

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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.