Home / 1,326,424.80-1,990,414.80-485,061.60

Finding the Fourth Proportional to 1,326,424.80, 1,990,414.80 and 485,061.60

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Solution

The fourth proportional to 1,326,424.80, 1,990,414.80 and 485,061.60 is: 727,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,424.80 : 1,990,414.80 = 485,061.60 : x
  2. Step 2: Convert to fraction form
    1,326,424.80/1,990,414.80 = 485,061.60/x
  3. Step 3: Cross multiply
    1,326,424.80x = 1,990,414.80 × 485,061.60
  4. Step 4: Simplify right side
    1,326,424.80x = 965,473,787,551.68
  5. Step 5: Solve for x
    x = 965,473,787,551.68/1,326,424.80
  6. Step 6: Final answer
    x = 727,876.76

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