Home / 1,275,701.84-1,760,460.36-702,728.72

Finding the Fourth Proportional to 1,275,701.84, 1,760,460.36 and 702,728.72

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Solution

The fourth proportional to 1,275,701.84, 1,760,460.36 and 702,728.72 is: 969,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,701.84 : 1,760,460.36 = 702,728.72 : x
  2. Step 2: Convert to fraction form
    1,275,701.84/1,760,460.36 = 702,728.72/x
  3. Step 3: Cross multiply
    1,275,701.84x = 1,760,460.36 × 702,728.72
  4. Step 4: Simplify right side
    1,275,701.84x = 1,237,126,055,393.54
  5. Step 5: Solve for x
    x = 1,237,126,055,393.54/1,275,701.84
  6. Step 6: Final answer
    x = 969,761.13

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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.