Home / 1,425,948.60-2,138,231.70-794,191.80

Finding the Fourth Proportional to 1,425,948.60, 2,138,231.70 and 794,191.80

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Solution

The fourth proportional to 1,425,948.60, 2,138,231.70 and 794,191.80 is: 1,190,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,948.60 : 2,138,231.70 = 794,191.80 : x
  2. Step 2: Convert to fraction form
    1,425,948.60/2,138,231.70 = 794,191.80/x
  3. Step 3: Cross multiply
    1,425,948.60x = 2,138,231.70 × 794,191.80
  4. Step 4: Simplify right side
    1,425,948.60x = 1,698,166,082,640.06
  5. Step 5: Solve for x
    x = 1,698,166,082,640.06/1,425,948.60
  6. Step 6: Final answer
    x = 1,190,902.73

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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.