Home / 1,325,788.56-1,987,868.96-515,226.54

Finding the Fourth Proportional to 1,325,788.56, 1,987,868.96 and 515,226.54

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Solution

The fourth proportional to 1,325,788.56, 1,987,868.96 and 515,226.54 is: 772,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,788.56 : 1,987,868.96 = 515,226.54 : x
  2. Step 2: Convert to fraction form
    1,325,788.56/1,987,868.96 = 515,226.54/x
  3. Step 3: Cross multiply
    1,325,788.56x = 1,987,868.96 × 515,226.54
  4. Step 4: Simplify right side
    1,325,788.56x = 1,024,202,851,203.87
  5. Step 5: Solve for x
    x = 1,024,202,851,203.87/1,325,788.56
  6. Step 6: Final answer
    x = 772,523.53

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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.