Home / 1,295,921.35-1,788,372.23-722,961.52

Finding the Fourth Proportional to 1,295,921.35, 1,788,372.23 and 722,961.52

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Solution

The fourth proportional to 1,295,921.35, 1,788,372.23 and 722,961.52 is: 997,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,921.35 : 1,788,372.23 = 722,961.52 : x
  2. Step 2: Convert to fraction form
    1,295,921.35/1,788,372.23 = 722,961.52/x
  3. Step 3: Cross multiply
    1,295,921.35x = 1,788,372.23 × 722,961.52
  4. Step 4: Simplify right side
    1,295,921.35x = 1,292,924,305,726.59
  5. Step 5: Solve for x
    x = 1,292,924,305,726.59/1,295,921.35
  6. Step 6: Final answer
    x = 997,687.33

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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.