Home / 1,104,363.20-1,656,544.80-394,414.40

Finding the Fourth Proportional to 1,104,363.20, 1,656,544.80 and 394,414.40

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Solution

The fourth proportional to 1,104,363.20, 1,656,544.80 and 394,414.40 is: 591,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,363.20 : 1,656,544.80 = 394,414.40 : x
  2. Step 2: Convert to fraction form
    1,104,363.20/1,656,544.80 = 394,414.40/x
  3. Step 3: Cross multiply
    1,104,363.20x = 1,656,544.80 × 394,414.40
  4. Step 4: Simplify right side
    1,104,363.20x = 653,365,123,365.12
  5. Step 5: Solve for x
    x = 653,365,123,365.12/1,104,363.20
  6. Step 6: Final answer
    x = 591,621.60

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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.