Home / 1,085,609.20-1,629,450.60-928,015.60

Finding the Fourth Proportional to 1,085,609.20, 1,629,450.60 and 928,015.60

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Solution

The fourth proportional to 1,085,609.20, 1,629,450.60 and 928,015.60 is: 1,392,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,609.20 : 1,629,450.60 = 928,015.60 : x
  2. Step 2: Convert to fraction form
    1,085,609.20/1,629,450.60 = 928,015.60/x
  3. Step 3: Cross multiply
    1,085,609.20x = 1,629,450.60 × 928,015.60
  4. Step 4: Simplify right side
    1,085,609.20x = 1,512,155,576,229.36
  5. Step 5: Solve for x
    x = 1,512,155,576,229.36/1,085,609.20
  6. Step 6: Final answer
    x = 1,392,909.69

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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.