Home / 1,245,778.60-1,867,976.70-496,978.60

Finding the Fourth Proportional to 1,245,778.60, 1,867,976.70 and 496,978.60

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Solution

The fourth proportional to 1,245,778.60, 1,867,976.70 and 496,978.60 is: 745,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,778.60 : 1,867,976.70 = 496,978.60 : x
  2. Step 2: Convert to fraction form
    1,245,778.60/1,867,976.70 = 496,978.60/x
  3. Step 3: Cross multiply
    1,245,778.60x = 1,867,976.70 × 496,978.60
  4. Step 4: Simplify right side
    1,245,778.60x = 928,344,445,198.62
  5. Step 5: Solve for x
    x = 928,344,445,198.62/1,245,778.60
  6. Step 6: Final answer
    x = 745,192.16

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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.