Home / 880,207.55-1,320,311.33-821,158.55

Finding the Fourth Proportional to 880,207.55, 1,320,311.33 and 821,158.55

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Solution

The fourth proportional to 880,207.55, 1,320,311.33 and 821,158.55 is: 1,231,737.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,207.55 : 1,320,311.33 = 821,158.55 : x
  2. Step 2: Convert to fraction form
    880,207.55/1,320,311.33 = 821,158.55/x
  3. Step 3: Cross multiply
    880,207.55x = 1,320,311.33 × 821,158.55
  4. Step 4: Simplify right side
    880,207.55x = 1,084,184,933,185.58
  5. Step 5: Solve for x
    x = 1,084,184,933,185.58/880,207.55
  6. Step 6: Final answer
    x = 1,231,737.83

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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.