Home / 1,978,667.20-2,968,000.80-482,759.20

Finding the Fourth Proportional to 1,978,667.20, 2,968,000.80 and 482,759.20

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Solution

The fourth proportional to 1,978,667.20, 2,968,000.80 and 482,759.20 is: 724,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,667.20 : 2,968,000.80 = 482,759.20 : x
  2. Step 2: Convert to fraction form
    1,978,667.20/2,968,000.80 = 482,759.20/x
  3. Step 3: Cross multiply
    1,978,667.20x = 2,968,000.80 × 482,759.20
  4. Step 4: Simplify right side
    1,978,667.20x = 1,432,829,691,807.36
  5. Step 5: Solve for x
    x = 1,432,829,691,807.36/1,978,667.20
  6. Step 6: Final answer
    x = 724,138.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.