Home / 1,275,407.29-1,760,057.49-702,446.14

Finding the Fourth Proportional to 1,275,407.29, 1,760,057.49 and 702,446.14

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Solution

The fourth proportional to 1,275,407.29, 1,760,057.49 and 702,446.14 is: 969,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,407.29 : 1,760,057.49 = 702,446.14 : x
  2. Step 2: Convert to fraction form
    1,275,407.29/1,760,057.49 = 702,446.14/x
  3. Step 3: Cross multiply
    1,275,407.29x = 1,760,057.49 × 702,446.14
  4. Step 4: Simplify right side
    1,275,407.29x = 1,236,345,590,028.59
  5. Step 5: Solve for x
    x = 1,236,345,590,028.59/1,275,407.29
  6. Step 6: Final answer
    x = 969,373.16

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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.