Home / 1,279,902.54-1,920,140.17-481,191.00

Finding the Fourth Proportional to 1,279,902.54, 1,920,140.17 and 481,191.00

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Solution

The fourth proportional to 1,279,902.54, 1,920,140.17 and 481,191.00 is: 721,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,902.54 : 1,920,140.17 = 481,191.00 : x
  2. Step 2: Convert to fraction form
    1,279,902.54/1,920,140.17 = 481,191.00/x
  3. Step 3: Cross multiply
    1,279,902.54x = 1,920,140.17 × 481,191.00
  4. Step 4: Simplify right side
    1,279,902.54x = 923,954,170,939.76
  5. Step 5: Solve for x
    x = 923,954,170,939.76/1,279,902.54
  6. Step 6: Final answer
    x = 721,894.16

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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.