Home / 1,104,272.40-1,656,408.60-394,640.40

Finding the Fourth Proportional to 1,104,272.40, 1,656,408.60 and 394,640.40

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Solution

The fourth proportional to 1,104,272.40, 1,656,408.60 and 394,640.40 is: 591,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,272.40 : 1,656,408.60 = 394,640.40 : x
  2. Step 2: Convert to fraction form
    1,104,272.40/1,656,408.60 = 394,640.40/x
  3. Step 3: Cross multiply
    1,104,272.40x = 1,656,408.60 × 394,640.40
  4. Step 4: Simplify right side
    1,104,272.40x = 653,685,752,467.44
  5. Step 5: Solve for x
    x = 653,685,752,467.44/1,104,272.40
  6. Step 6: Final answer
    x = 591,960.60

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Double scale
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Similar ratio
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1.5x scale

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.