Home / 1,268,242.56-1,900,224.22-627,692.13

Finding the Fourth Proportional to 1,268,242.56, 1,900,224.22 and 627,692.13

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Solution

The fourth proportional to 1,268,242.56, 1,900,224.22 and 627,692.13 is: 940,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,242.56 : 1,900,224.22 = 627,692.13 : x
  2. Step 2: Convert to fraction form
    1,268,242.56/1,900,224.22 = 627,692.13/x
  3. Step 3: Cross multiply
    1,268,242.56x = 1,900,224.22 × 627,692.13
  4. Step 4: Simplify right side
    1,268,242.56x = 1,192,755,786,560.16
  5. Step 5: Solve for x
    x = 1,192,755,786,560.16/1,268,242.56
  6. Step 6: Final answer
    x = 940,479.23

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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.