Home / 1,591,155.76-2,385,705.12-680,932.48

Finding the Fourth Proportional to 1,591,155.76, 2,385,705.12 and 680,932.48

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Solution

The fourth proportional to 1,591,155.76, 2,385,705.12 and 680,932.48 is: 1,020,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,155.76 : 2,385,705.12 = 680,932.48 : x
  2. Step 2: Convert to fraction form
    1,591,155.76/2,385,705.12 = 680,932.48/x
  3. Step 3: Cross multiply
    1,591,155.76x = 2,385,705.12 × 680,932.48
  4. Step 4: Simplify right side
    1,591,155.76x = 1,624,504,103,910.30
  5. Step 5: Solve for x
    x = 1,624,504,103,910.30/1,591,155.76
  6. Step 6: Final answer
    x = 1,020,958.57

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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.