Home / 1,321,058.48-1,823,029.82-777,229.28

Finding the Fourth Proportional to 1,321,058.48, 1,823,029.82 and 777,229.28

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Solution

The fourth proportional to 1,321,058.48, 1,823,029.82 and 777,229.28 is: 1,072,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,058.48 : 1,823,029.82 = 777,229.28 : x
  2. Step 2: Convert to fraction form
    1,321,058.48/1,823,029.82 = 777,229.28/x
  3. Step 3: Cross multiply
    1,321,058.48x = 1,823,029.82 × 777,229.28
  4. Step 4: Simplify right side
    1,321,058.48x = 1,416,912,165,793.26
  5. Step 5: Solve for x
    x = 1,416,912,165,793.26/1,321,058.48
  6. Step 6: Final answer
    x = 1,072,558.25

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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.