Home / 993,778.20-1,372,266.32-961,642.62

Finding the Fourth Proportional to 993,778.20, 1,372,266.32 and 961,642.62

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Solution

The fourth proportional to 993,778.20, 1,372,266.32 and 961,642.62 is: 1,327,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,778.20 : 1,372,266.32 = 961,642.62 : x
  2. Step 2: Convert to fraction form
    993,778.20/1,372,266.32 = 961,642.62/x
  3. Step 3: Cross multiply
    993,778.20x = 1,372,266.32 × 961,642.62
  4. Step 4: Simplify right side
    993,778.20x = 1,319,629,774,494.35
  5. Step 5: Solve for x
    x = 1,319,629,774,494.35/993,778.20
  6. Step 6: Final answer
    x = 1,327,891.65

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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.