Home / 1,093,719.80-1,640,579.70-345,765.80

Finding the Fourth Proportional to 1,093,719.80, 1,640,579.70 and 345,765.80

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Solution

The fourth proportional to 1,093,719.80, 1,640,579.70 and 345,765.80 is: 518,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,719.80 : 1,640,579.70 = 345,765.80 : x
  2. Step 2: Convert to fraction form
    1,093,719.80/1,640,579.70 = 345,765.80/x
  3. Step 3: Cross multiply
    1,093,719.80x = 1,640,579.70 × 345,765.80
  4. Step 4: Simplify right side
    1,093,719.80x = 567,256,352,434.26
  5. Step 5: Solve for x
    x = 567,256,352,434.26/1,093,719.80
  6. Step 6: Final answer
    x = 518,648.70

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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.