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Finding the Fourth Proportional to 1,382,978, 2,074,817.08 and 385,706

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Solution

The fourth proportional to 1,382,978, 2,074,817.08 and 385,706 is: 578,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,978 : 2,074,817.08 = 385,706 : x
  2. Step 2: Convert to fraction form
    1,382,978/2,074,817.08 = 385,706/x
  3. Step 3: Cross multiply
    1,382,978x = 2,074,817.08 × 385,706
  4. Step 4: Simplify right side
    1,382,978x = 800,269,396,658.48
  5. Step 5: Solve for x
    x = 800,269,396,658.48/1,382,978
  6. Step 6: Final answer
    x = 578,656.64

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