Home / 1,269,689.09-1,752,170.00-725,836.86

Finding the Fourth Proportional to 1,269,689.09, 1,752,170.00 and 725,836.86

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Solution

The fourth proportional to 1,269,689.09, 1,752,170.00 and 725,836.86 is: 1,001,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,689.09 : 1,752,170.00 = 725,836.86 : x
  2. Step 2: Convert to fraction form
    1,269,689.09/1,752,170.00 = 725,836.86/x
  3. Step 3: Cross multiply
    1,269,689.09x = 1,752,170.00 × 725,836.86
  4. Step 4: Simplify right side
    1,269,689.09x = 1,271,789,567,357.02
  5. Step 5: Solve for x
    x = 1,271,789,567,357.02/1,269,689.09
  6. Step 6: Final answer
    x = 1,001,654.33

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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.