Home / 1,268,933.73-1,898,952.89-909,500.90

Finding the Fourth Proportional to 1,268,933.73, 1,898,952.89 and 909,500.90

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Solution

The fourth proportional to 1,268,933.73, 1,898,952.89 and 909,500.90 is: 1,361,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,933.73 : 1,898,952.89 = 909,500.90 : x
  2. Step 2: Convert to fraction form
    1,268,933.73/1,898,952.89 = 909,500.90/x
  3. Step 3: Cross multiply
    1,268,933.73x = 1,898,952.89 × 909,500.90
  4. Step 4: Simplify right side
    1,268,933.73x = 1,727,099,348,470.33
  5. Step 5: Solve for x
    x = 1,727,099,348,470.33/1,268,933.73
  6. Step 6: Final answer
    x = 1,361,063.47

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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.