Home / 2,263,578.12-3,395,704.72-747,421.20

Finding the Fourth Proportional to 2,263,578.12, 3,395,704.72 and 747,421.20

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Solution

The fourth proportional to 2,263,578.12, 3,395,704.72 and 747,421.20 is: 1,121,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263,578.12 : 3,395,704.72 = 747,421.20 : x
  2. Step 2: Convert to fraction form
    2,263,578.12/3,395,704.72 = 747,421.20/x
  3. Step 3: Cross multiply
    2,263,578.12x = 3,395,704.72 × 747,421.20
  4. Step 4: Simplify right side
    2,263,578.12x = 2,538,021,696,668.06
  5. Step 5: Solve for x
    x = 2,538,021,696,668.06/2,263,578.12
  6. Step 6: Final answer
    x = 1,121,243.25

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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.