Home / 1,275,412.96-1,760,149.78-702,453

Finding the Fourth Proportional to 1,275,412.96, 1,760,149.78 and 702,453

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Solution

The fourth proportional to 1,275,412.96, 1,760,149.78 and 702,453 is: 969,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,412.96 : 1,760,149.78 = 702,453 : x
  2. Step 2: Convert to fraction form
    1,275,412.96/1,760,149.78 = 702,453/x
  3. Step 3: Cross multiply
    1,275,412.96x = 1,760,149.78 × 702,453
  4. Step 4: Simplify right side
    1,275,412.96x = 1,236,422,493,410.34
  5. Step 5: Solve for x
    x = 1,236,422,493,410.34/1,275,412.96
  6. Step 6: Final answer
    x = 969,429.14

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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.