Home / 1,170,839.16-1,754,998.92-765,878.58

Finding the Fourth Proportional to 1,170,839.16, 1,754,998.92 and 765,878.58

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Solution

The fourth proportional to 1,170,839.16, 1,754,998.92 and 765,878.58 is: 1,147,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,839.16 : 1,754,998.92 = 765,878.58 : x
  2. Step 2: Convert to fraction form
    1,170,839.16/1,754,998.92 = 765,878.58/x
  3. Step 3: Cross multiply
    1,170,839.16x = 1,754,998.92 × 765,878.58
  4. Step 4: Simplify right side
    1,170,839.16x = 1,344,116,080,751.13
  5. Step 5: Solve for x
    x = 1,344,116,080,751.13/1,170,839.16
  6. Step 6: Final answer
    x = 1,147,993.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.