Home / 1,104,387.60-1,656,581.40-394,438.80

Finding the Fourth Proportional to 1,104,387.60, 1,656,581.40 and 394,438.80

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Solution

The fourth proportional to 1,104,387.60, 1,656,581.40 and 394,438.80 is: 591,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,387.60 : 1,656,581.40 = 394,438.80 : x
  2. Step 2: Convert to fraction form
    1,104,387.60/1,656,581.40 = 394,438.80/x
  3. Step 3: Cross multiply
    1,104,387.60x = 1,656,581.40 × 394,438.80
  4. Step 4: Simplify right side
    1,104,387.60x = 653,419,979,518.32
  5. Step 5: Solve for x
    x = 653,419,979,518.32/1,104,387.60
  6. Step 6: Final answer
    x = 591,658.20

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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.