Home / 1,275,489-1,760,174.82-739,256.04

Finding the Fourth Proportional to 1,275,489, 1,760,174.82 and 739,256.04

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Solution

The fourth proportional to 1,275,489, 1,760,174.82 and 739,256.04 is: 1,020,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,489 : 1,760,174.82 = 739,256.04 : x
  2. Step 2: Convert to fraction form
    1,275,489/1,760,174.82 = 739,256.04/x
  3. Step 3: Cross multiply
    1,275,489x = 1,760,174.82 × 739,256.04
  4. Step 4: Simplify right side
    1,275,489x = 1,301,219,867,140.91
  5. Step 5: Solve for x
    x = 1,301,219,867,140.91/1,275,489
  6. Step 6: Final answer
    x = 1,020,173.34

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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.