Home / 1,394,380.50-1,924,245.12-790,768.50

Finding the Fourth Proportional to 1,394,380.50, 1,924,245.12 and 790,768.50

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Solution

The fourth proportional to 1,394,380.50, 1,924,245.12 and 790,768.50 is: 1,091,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,380.50 : 1,924,245.12 = 790,768.50 : x
  2. Step 2: Convert to fraction form
    1,394,380.50/1,924,245.12 = 790,768.50/x
  3. Step 3: Cross multiply
    1,394,380.50x = 1,924,245.12 × 790,768.50
  4. Step 4: Simplify right side
    1,394,380.50x = 1,521,632,427,174.72
  5. Step 5: Solve for x
    x = 1,521,632,427,174.72/1,394,380.50
  6. Step 6: Final answer
    x = 1,091,260.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.