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Finding the Fourth Proportional to 1,978,051.80, 2,966,786.10 and 558,251.40

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Solution

The fourth proportional to 1,978,051.80, 2,966,786.10 and 558,251.40 is: 837,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,051.80 : 2,966,786.10 = 558,251.40 : x
  2. Step 2: Convert to fraction form
    1,978,051.80/2,966,786.10 = 558,251.40/x
  3. Step 3: Cross multiply
    1,978,051.80x = 2,966,786.10 × 558,251.40
  4. Step 4: Simplify right side
    1,978,051.80x = 1,656,212,493,825.54
  5. Step 5: Solve for x
    x = 1,656,212,493,825.54/1,978,051.80
  6. Step 6: Final answer
    x = 837,294.80

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