Home / 1,269,979.80-1,752,517.26-697,029.72

Finding the Fourth Proportional to 1,269,979.80, 1,752,517.26 and 697,029.72

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Solution

The fourth proportional to 1,269,979.80, 1,752,517.26 and 697,029.72 is: 961,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,979.80 : 1,752,517.26 = 697,029.72 : x
  2. Step 2: Convert to fraction form
    1,269,979.80/1,752,517.26 = 697,029.72/x
  3. Step 3: Cross multiply
    1,269,979.80x = 1,752,517.26 × 697,029.72
  4. Step 4: Simplify right side
    1,269,979.80x = 1,221,556,615,032.97
  5. Step 5: Solve for x
    x = 1,221,556,615,032.97/1,269,979.80
  6. Step 6: Final answer
    x = 961,870.90

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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.