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Finding the Fourth Proportional to 1,043,578, 1,565,344.68 and 285,419.44

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Solution

The fourth proportional to 1,043,578, 1,565,344.68 and 285,419.44 is: 428,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,578 : 1,565,344.68 = 285,419.44 : x
  2. Step 2: Convert to fraction form
    1,043,578/1,565,344.68 = 285,419.44/x
  3. Step 3: Cross multiply
    1,043,578x = 1,565,344.68 × 285,419.44
  4. Step 4: Simplify right side
    1,043,578x = 446,779,801,972.58
  5. Step 5: Solve for x
    x = 446,779,801,972.58/1,043,578
  6. Step 6: Final answer
    x = 428,123.06

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