Home / 1,398,242.43-2,096,034.84-891,380.88

Finding the Fourth Proportional to 1,398,242.43, 2,096,034.84 and 891,380.88

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Solution

The fourth proportional to 1,398,242.43, 2,096,034.84 and 891,380.88 is: 1,336,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,242.43 : 2,096,034.84 = 891,380.88 : x
  2. Step 2: Convert to fraction form
    1,398,242.43/2,096,034.84 = 891,380.88/x
  3. Step 3: Cross multiply
    1,398,242.43x = 2,096,034.84 × 891,380.88
  4. Step 4: Simplify right side
    1,398,242.43x = 1,868,365,380,189.86
  5. Step 5: Solve for x
    x = 1,868,365,380,189.86/1,398,242.43
  6. Step 6: Final answer
    x = 1,336,224.21

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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.