Home / 1,093,500.40-1,640,250.60-673,013.20

Finding the Fourth Proportional to 1,093,500.40, 1,640,250.60 and 673,013.20

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Solution

The fourth proportional to 1,093,500.40, 1,640,250.60 and 673,013.20 is: 1,009,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,500.40 : 1,640,250.60 = 673,013.20 : x
  2. Step 2: Convert to fraction form
    1,093,500.40/1,640,250.60 = 673,013.20/x
  3. Step 3: Cross multiply
    1,093,500.40x = 1,640,250.60 × 673,013.20
  4. Step 4: Simplify right side
    1,093,500.40x = 1,103,910,305,107.92
  5. Step 5: Solve for x
    x = 1,103,910,305,107.92/1,093,500.40
  6. Step 6: Final answer
    x = 1,009,519.80

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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.