Home / 1,275,720.66-1,760,410.94-702,760.84

Finding the Fourth Proportional to 1,275,720.66, 1,760,410.94 and 702,760.84

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Solution

The fourth proportional to 1,275,720.66, 1,760,410.94 and 702,760.84 is: 969,763.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,720.66 : 1,760,410.94 = 702,760.84 : x
  2. Step 2: Convert to fraction form
    1,275,720.66/1,760,410.94 = 702,760.84/x
  3. Step 3: Cross multiply
    1,275,720.66x = 1,760,410.94 × 702,760.84
  4. Step 4: Simplify right side
    1,275,720.66x = 1,237,147,870,939.59
  5. Step 5: Solve for x
    x = 1,237,147,870,939.59/1,275,720.66
  6. Step 6: Final answer
    x = 969,763.92

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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.