Home / 1,435,747.24-1,981,344.48-791,190.50

Finding the Fourth Proportional to 1,435,747.24, 1,981,344.48 and 791,190.50

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Solution

The fourth proportional to 1,435,747.24, 1,981,344.48 and 791,190.50 is: 1,091,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,747.24 : 1,981,344.48 = 791,190.50 : x
  2. Step 2: Convert to fraction form
    1,435,747.24/1,981,344.48 = 791,190.50/x
  3. Step 3: Cross multiply
    1,435,747.24x = 1,981,344.48 × 791,190.50
  4. Step 4: Simplify right side
    1,435,747.24x = 1,567,620,929,803.44
  5. Step 5: Solve for x
    x = 1,567,620,929,803.44/1,435,747.24
  6. Step 6: Final answer
    x = 1,091,850.21

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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.