Home / 1,880,319.75-2,821,600.40-682,335.57

Finding the Fourth Proportional to 1,880,319.75, 2,821,600.40 and 682,335.57

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Solution

The fourth proportional to 1,880,319.75, 2,821,600.40 and 682,335.57 is: 1,023,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,319.75 : 2,821,600.40 = 682,335.57 : x
  2. Step 2: Convert to fraction form
    1,880,319.75/2,821,600.40 = 682,335.57/x
  3. Step 3: Cross multiply
    1,880,319.75x = 2,821,600.40 × 682,335.57
  4. Step 4: Simplify right side
    1,880,319.75x = 1,925,278,313,834.55
  5. Step 5: Solve for x
    x = 1,925,278,313,834.55/1,880,319.75
  6. Step 6: Final answer
    x = 1,023,910.06

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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.