Home / 1,275,867.84-1,760,742.84-702,951.60

Finding the Fourth Proportional to 1,275,867.84, 1,760,742.84 and 702,951.60

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Solution

The fourth proportional to 1,275,867.84, 1,760,742.84 and 702,951.60 is: 970,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,867.84 : 1,760,742.84 = 702,951.60 : x
  2. Step 2: Convert to fraction form
    1,275,867.84/1,760,742.84 = 702,951.60/x
  3. Step 3: Cross multiply
    1,275,867.84x = 1,760,742.84 × 702,951.60
  4. Step 4: Simplify right side
    1,275,867.84x = 1,237,716,996,566.54
  5. Step 5: Solve for x
    x = 1,237,716,996,566.54/1,275,867.84
  6. Step 6: Final answer
    x = 970,098.12

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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.