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Finding the Fourth Proportional to 1,232,802.80, 1,846,093.80 and 809,788.40

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Solution

The fourth proportional to 1,232,802.80, 1,846,093.80 and 809,788.40 is: 1,212,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,802.80 : 1,846,093.80 = 809,788.40 : x
  2. Step 2: Convert to fraction form
    1,232,802.80/1,846,093.80 = 809,788.40/x
  3. Step 3: Cross multiply
    1,232,802.80x = 1,846,093.80 × 809,788.40
  4. Step 4: Simplify right side
    1,232,802.80x = 1,494,945,344,551.92
  5. Step 5: Solve for x
    x = 1,494,945,344,551.92/1,232,802.80
  6. Step 6: Final answer
    x = 1,212,639.48

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