Home / 1,435,793.88-1,981,408.86-791,237.19

Finding the Fourth Proportional to 1,435,793.88, 1,981,408.86 and 791,237.19

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Solution

The fourth proportional to 1,435,793.88, 1,981,408.86 and 791,237.19 is: 1,091,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,793.88 : 1,981,408.86 = 791,237.19 : x
  2. Step 2: Convert to fraction form
    1,435,793.88/1,981,408.86 = 791,237.19/x
  3. Step 3: Cross multiply
    1,435,793.88x = 1,981,408.86 × 791,237.19
  4. Step 4: Simplify right side
    1,435,793.88x = 1,567,764,378,627.50
  5. Step 5: Solve for x
    x = 1,567,764,378,627.50/1,435,793.88
  6. Step 6: Final answer
    x = 1,091,914.65

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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.