Home / 1,275,949.32-1,760,809.10-702,989.49

Finding the Fourth Proportional to 1,275,949.32, 1,760,809.10 and 702,989.49

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Solution

The fourth proportional to 1,275,949.32, 1,760,809.10 and 702,989.49 is: 970,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,949.32 : 1,760,809.10 = 702,989.49 : x
  2. Step 2: Convert to fraction form
    1,275,949.32/1,760,809.10 = 702,989.49/x
  3. Step 3: Cross multiply
    1,275,949.32x = 1,760,809.10 × 702,989.49
  4. Step 4: Simplify right side
    1,275,949.32x = 1,237,830,291,196.36
  5. Step 5: Solve for x
    x = 1,237,830,291,196.36/1,275,949.32
  6. Step 6: Final answer
    x = 970,124.97

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Double scale
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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.