Home / 1,328,738.40-1,993,107.60-929,829.60

Finding the Fourth Proportional to 1,328,738.40, 1,993,107.60 and 929,829.60

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Solution

The fourth proportional to 1,328,738.40, 1,993,107.60 and 929,829.60 is: 1,394,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,738.40 : 1,993,107.60 = 929,829.60 : x
  2. Step 2: Convert to fraction form
    1,328,738.40/1,993,107.60 = 929,829.60/x
  3. Step 3: Cross multiply
    1,328,738.40x = 1,993,107.60 × 929,829.60
  4. Step 4: Simplify right side
    1,328,738.40x = 1,853,250,442,464.96
  5. Step 5: Solve for x
    x = 1,853,250,442,464.96/1,328,738.40
  6. Step 6: Final answer
    x = 1,394,744.40

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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.