Home / 1,270,083.50-1,752,714.55-718,789.20

Finding the Fourth Proportional to 1,270,083.50, 1,752,714.55 and 718,789.20

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Solution

The fourth proportional to 1,270,083.50, 1,752,714.55 and 718,789.20 is: 991,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,083.50 : 1,752,714.55 = 718,789.20 : x
  2. Step 2: Convert to fraction form
    1,270,083.50/1,752,714.55 = 718,789.20/x
  3. Step 3: Cross multiply
    1,270,083.50x = 1,752,714.55 × 718,789.20
  4. Step 4: Simplify right side
    1,270,083.50x = 1,259,832,289,222.86
  5. Step 5: Solve for x
    x = 1,259,832,289,222.86/1,270,083.50
  6. Step 6: Final answer
    x = 991,928.71

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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.