Home / 1,448,456.76-1,997,481.75-867,587.13

Finding the Fourth Proportional to 1,448,456.76, 1,997,481.75 and 867,587.13

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Solution

The fourth proportional to 1,448,456.76, 1,997,481.75 and 867,587.13 is: 1,196,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,456.76 : 1,997,481.75 = 867,587.13 : x
  2. Step 2: Convert to fraction form
    1,448,456.76/1,997,481.75 = 867,587.13/x
  3. Step 3: Cross multiply
    1,448,456.76x = 1,997,481.75 × 867,587.13
  4. Step 4: Simplify right side
    1,448,456.76x = 1,732,989,458,709.88
  5. Step 5: Solve for x
    x = 1,732,989,458,709.88/1,448,456.76
  6. Step 6: Final answer
    x = 1,196,438.52

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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.