Home / 1,275,362.47-1,760,079.81-702,402.49

Finding the Fourth Proportional to 1,275,362.47, 1,760,079.81 and 702,402.49

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Solution

The fourth proportional to 1,275,362.47, 1,760,079.81 and 702,402.49 is: 969,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,362.47 : 1,760,079.81 = 702,402.49 : x
  2. Step 2: Convert to fraction form
    1,275,362.47/1,760,079.81 = 702,402.49/x
  3. Step 3: Cross multiply
    1,275,362.47x = 1,760,079.81 × 702,402.49
  4. Step 4: Simplify right side
    1,275,362.47x = 1,236,284,441,142.73
  5. Step 5: Solve for x
    x = 1,236,284,441,142.73/1,275,362.47
  6. Step 6: Final answer
    x = 969,359.28

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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.