Home / 1,068,893.20-1,603,485.60-394,811.20

Finding the Fourth Proportional to 1,068,893.20, 1,603,485.60 and 394,811.20

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Solution

The fourth proportional to 1,068,893.20, 1,603,485.60 and 394,811.20 is: 592,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,893.20 : 1,603,485.60 = 394,811.20 : x
  2. Step 2: Convert to fraction form
    1,068,893.20/1,603,485.60 = 394,811.20/x
  3. Step 3: Cross multiply
    1,068,893.20x = 1,603,485.60 × 394,811.20
  4. Step 4: Simplify right side
    1,068,893.20x = 633,074,073,918.72
  5. Step 5: Solve for x
    x = 633,074,073,918.72/1,068,893.20
  6. Step 6: Final answer
    x = 592,270.65

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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.