Home / 1,093,720.80-1,640,581.20-345,766.80

Finding the Fourth Proportional to 1,093,720.80, 1,640,581.20 and 345,766.80

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Solution

The fourth proportional to 1,093,720.80, 1,640,581.20 and 345,766.80 is: 518,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,720.80 : 1,640,581.20 = 345,766.80 : x
  2. Step 2: Convert to fraction form
    1,093,720.80/1,640,581.20 = 345,766.80/x
  3. Step 3: Cross multiply
    1,093,720.80x = 1,640,581.20 × 345,766.80
  4. Step 4: Simplify right side
    1,093,720.80x = 567,258,511,664.16
  5. Step 5: Solve for x
    x = 567,258,511,664.16/1,093,720.80
  6. Step 6: Final answer
    x = 518,650.20

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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.