Home / 1,085,606.20-1,629,446.10-928,012.60

Finding the Fourth Proportional to 1,085,606.20, 1,629,446.10 and 928,012.60

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Solution

The fourth proportional to 1,085,606.20, 1,629,446.10 and 928,012.60 is: 1,392,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,606.20 : 1,629,446.10 = 928,012.60 : x
  2. Step 2: Convert to fraction form
    1,085,606.20/1,629,446.10 = 928,012.60/x
  3. Step 3: Cross multiply
    1,085,606.20x = 1,629,446.10 × 928,012.60
  4. Step 4: Simplify right side
    1,085,606.20x = 1,512,146,511,820.86
  5. Step 5: Solve for x
    x = 1,512,146,511,820.86/1,085,606.20
  6. Step 6: Final answer
    x = 1,392,905.19

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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.