Home / 1,191,659.79-1,644,524.55-726,540.51

Finding the Fourth Proportional to 1,191,659.79, 1,644,524.55 and 726,540.51

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Solution

The fourth proportional to 1,191,659.79, 1,644,524.55 and 726,540.51 is: 1,002,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,659.79 : 1,644,524.55 = 726,540.51 : x
  2. Step 2: Convert to fraction form
    1,191,659.79/1,644,524.55 = 726,540.51/x
  3. Step 3: Cross multiply
    1,191,659.79x = 1,644,524.55 × 726,540.51
  4. Step 4: Simplify right side
    1,191,659.79x = 1,194,813,705,264.52
  5. Step 5: Solve for x
    x = 1,194,813,705,264.52/1,191,659.79
  6. Step 6: Final answer
    x = 1,002,646.66

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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.