Home / 871,092.65-1,199,327.15-743,255.21

Finding the Fourth Proportional to 871,092.65, 1,199,327.15 and 743,255.21

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Solution

The fourth proportional to 871,092.65, 1,199,327.15 and 743,255.21 is: 1,023,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,092.65 : 1,199,327.15 = 743,255.21 : x
  2. Step 2: Convert to fraction form
    871,092.65/1,199,327.15 = 743,255.21/x
  3. Step 3: Cross multiply
    871,092.65x = 1,199,327.15 × 743,255.21
  4. Step 4: Simplify right side
    871,092.65x = 891,406,143,019.04
  5. Step 5: Solve for x
    x = 891,406,143,019.04/871,092.65
  6. Step 6: Final answer
    x = 1,023,319.56

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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.