Home / 1,121,211.82-1,682,062.96-363,129.90

Finding the Fourth Proportional to 1,121,211.82, 1,682,062.96 and 363,129.90

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Solution

The fourth proportional to 1,121,211.82, 1,682,062.96 and 363,129.90 is: 544,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,211.82 : 1,682,062.96 = 363,129.90 : x
  2. Step 2: Convert to fraction form
    1,121,211.82/1,682,062.96 = 363,129.90/x
  3. Step 3: Cross multiply
    1,121,211.82x = 1,682,062.96 × 363,129.90
  4. Step 4: Simplify right side
    1,121,211.82x = 610,807,354,458.50
  5. Step 5: Solve for x
    x = 610,807,354,458.50/1,121,211.82
  6. Step 6: Final answer
    x = 544,774.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.