Home / 2,288,485.35-3,431,357.51-772,134.57

Finding the Fourth Proportional to 2,288,485.35, 3,431,357.51 and 772,134.57

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Solution

The fourth proportional to 2,288,485.35, 3,431,357.51 and 772,134.57 is: 1,157,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288,485.35 : 3,431,357.51 = 772,134.57 : x
  2. Step 2: Convert to fraction form
    2,288,485.35/3,431,357.51 = 772,134.57/x
  3. Step 3: Cross multiply
    2,288,485.35x = 3,431,357.51 × 772,134.57
  4. Step 4: Simplify right side
    2,288,485.35x = 2,649,469,751,639.45
  5. Step 5: Solve for x
    x = 2,649,469,751,639.45/2,288,485.35
  6. Step 6: Final answer
    x = 1,157,739.44

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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.