Home / 1,275,959.05-1,760,855.19-785,743

Finding the Fourth Proportional to 1,275,959.05, 1,760,855.19 and 785,743

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Solution

The fourth proportional to 1,275,959.05, 1,760,855.19 and 785,743 is: 1,084,344.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,959.05 : 1,760,855.19 = 785,743 : x
  2. Step 2: Convert to fraction form
    1,275,959.05/1,760,855.19 = 785,743/x
  3. Step 3: Cross multiply
    1,275,959.05x = 1,760,855.19 × 785,743
  4. Step 4: Simplify right side
    1,275,959.05x = 1,383,579,639,556.17
  5. Step 5: Solve for x
    x = 1,383,579,639,556.17/1,275,959.05
  6. Step 6: Final answer
    x = 1,084,344.86

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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.