Home / 1,288,832.96-1,778,189.19-744,770.54

Finding the Fourth Proportional to 1,288,832.96, 1,778,189.19 and 744,770.54

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Solution

The fourth proportional to 1,288,832.96, 1,778,189.19 and 744,770.54 is: 1,027,552.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,832.96 : 1,778,189.19 = 744,770.54 : x
  2. Step 2: Convert to fraction form
    1,288,832.96/1,778,189.19 = 744,770.54/x
  3. Step 3: Cross multiply
    1,288,832.96x = 1,778,189.19 × 744,770.54
  4. Step 4: Simplify right side
    1,288,832.96x = 1,324,342,924,911.05
  5. Step 5: Solve for x
    x = 1,324,342,924,911.05/1,288,832.96
  6. Step 6: Final answer
    x = 1,027,552.03

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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.