Home / 1,449,072.80-2,171,859.60-738,735.20

Finding the Fourth Proportional to 1,449,072.80, 2,171,859.60 and 738,735.20

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Solution

The fourth proportional to 1,449,072.80, 2,171,859.60 and 738,735.20 is: 1,107,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,072.80 : 2,171,859.60 = 738,735.20 : x
  2. Step 2: Convert to fraction form
    1,449,072.80/2,171,859.60 = 738,735.20/x
  3. Step 3: Cross multiply
    1,449,072.80x = 2,171,859.60 × 738,735.20
  4. Step 4: Simplify right side
    1,449,072.80x = 1,604,429,135,977.92
  5. Step 5: Solve for x
    x = 1,604,429,135,977.92/1,449,072.80
  6. Step 6: Final answer
    x = 1,107,210.86

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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.