Home / 1,321,041.40-1,978,198.19-870,396.04

Finding the Fourth Proportional to 1,321,041.40, 1,978,198.19 and 870,396.04

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Solution

The fourth proportional to 1,321,041.40, 1,978,198.19 and 870,396.04 is: 1,303,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,041.40 : 1,978,198.19 = 870,396.04 : x
  2. Step 2: Convert to fraction form
    1,321,041.40/1,978,198.19 = 870,396.04/x
  3. Step 3: Cross multiply
    1,321,041.40x = 1,978,198.19 × 870,396.04
  4. Step 4: Simplify right side
    1,321,041.40x = 1,721,815,870,911.17
  5. Step 5: Solve for x
    x = 1,721,815,870,911.17/1,321,041.40
  6. Step 6: Final answer
    x = 1,303,377.68

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