Home / 1,393,495.92-1,923,016.44-773,294.88

Finding the Fourth Proportional to 1,393,495.92, 1,923,016.44 and 773,294.88

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Solution

The fourth proportional to 1,393,495.92, 1,923,016.44 and 773,294.88 is: 1,067,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,495.92 : 1,923,016.44 = 773,294.88 : x
  2. Step 2: Convert to fraction form
    1,393,495.92/1,923,016.44 = 773,294.88/x
  3. Step 3: Cross multiply
    1,393,495.92x = 1,923,016.44 × 773,294.88
  4. Step 4: Simplify right side
    1,393,495.92x = 1,487,058,767,207.83
  5. Step 5: Solve for x
    x = 1,487,058,767,207.83/1,393,495.92
  6. Step 6: Final answer
    x = 1,067,142.53

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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.