Home / 1,255,081.20-1,732,023-682,121.84

Finding the Fourth Proportional to 1,255,081.20, 1,732,023 and 682,121.84

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Solution

The fourth proportional to 1,255,081.20, 1,732,023 and 682,121.84 is: 941,334.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,081.20 : 1,732,023 = 682,121.84 : x
  2. Step 2: Convert to fraction form
    1,255,081.20/1,732,023 = 682,121.84/x
  3. Step 3: Cross multiply
    1,255,081.20x = 1,732,023 × 682,121.84
  4. Step 4: Simplify right side
    1,255,081.20x = 1,181,450,715,682.32
  5. Step 5: Solve for x
    x = 1,181,450,715,682.32/1,255,081.20
  6. Step 6: Final answer
    x = 941,334.09

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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.