Home / 1,270,680.78-1,753,697.49-726,741.09

Finding the Fourth Proportional to 1,270,680.78, 1,753,697.49 and 726,741.09

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Solution

The fourth proportional to 1,270,680.78, 1,753,697.49 and 726,741.09 is: 1,002,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,680.78 : 1,753,697.49 = 726,741.09 : x
  2. Step 2: Convert to fraction form
    1,270,680.78/1,753,697.49 = 726,741.09/x
  3. Step 3: Cross multiply
    1,270,680.78x = 1,753,697.49 × 726,741.09
  4. Step 4: Simplify right side
    1,270,680.78x = 1,274,484,025,412.86
  5. Step 5: Solve for x
    x = 1,274,484,025,412.86/1,270,680.78
  6. Step 6: Final answer
    x = 1,002,993.08

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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.