Home / 1,275,949.20-1,760,808.93-702,989.38

Finding the Fourth Proportional to 1,275,949.20, 1,760,808.93 and 702,989.38

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Solution

The fourth proportional to 1,275,949.20, 1,760,808.93 and 702,989.38 is: 970,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,949.20 : 1,760,808.93 = 702,989.38 : x
  2. Step 2: Convert to fraction form
    1,275,949.20/1,760,808.93 = 702,989.38/x
  3. Step 3: Cross multiply
    1,275,949.20x = 1,760,808.93 × 702,989.38
  4. Step 4: Simplify right side
    1,275,949.20x = 1,237,829,969,195.12
  5. Step 5: Solve for x
    x = 1,237,829,969,195.12/1,275,949.20
  6. Step 6: Final answer
    x = 970,124.81

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1.5x scale

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.