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Finding the Fourth Proportional to 1,662,144, 2,492,328.96 and 862,620.72

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Solution

The fourth proportional to 1,662,144, 2,492,328.96 and 862,620.72 is: 1,293,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,144 : 2,492,328.96 = 862,620.72 : x
  2. Step 2: Convert to fraction form
    1,662,144/2,492,328.96 = 862,620.72/x
  3. Step 3: Cross multiply
    1,662,144x = 2,492,328.96 × 862,620.72
  4. Step 4: Simplify right side
    1,662,144x = 2,149,934,601,952.05
  5. Step 5: Solve for x
    x = 2,149,934,601,952.05/1,662,144
  6. Step 6: Final answer
    x = 1,293,470.72

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