Home / 756,922.60-1,135,383.90-727,892.20

Finding the Fourth Proportional to 756,922.60, 1,135,383.90 and 727,892.20

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Solution

The fourth proportional to 756,922.60, 1,135,383.90 and 727,892.20 is: 1,091,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,922.60 : 1,135,383.90 = 727,892.20 : x
  2. Step 2: Convert to fraction form
    756,922.60/1,135,383.90 = 727,892.20/x
  3. Step 3: Cross multiply
    756,922.60x = 1,135,383.90 × 727,892.20
  4. Step 4: Simplify right side
    756,922.60x = 826,437,084,815.58
  5. Step 5: Solve for x
    x = 826,437,084,815.58/756,922.60
  6. Step 6: Final answer
    x = 1,091,838.30

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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.