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Finding the Fourth Proportional to 802,276.67, 1,200,702.47 and 780,687.02

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Solution

The fourth proportional to 802,276.67, 1,200,702.47 and 780,687.02 is: 1,168,390.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,276.67 : 1,200,702.47 = 780,687.02 : x
  2. Step 2: Convert to fraction form
    802,276.67/1,200,702.47 = 780,687.02/x
  3. Step 3: Cross multiply
    802,276.67x = 1,200,702.47 × 780,687.02
  4. Step 4: Simplify right side
    802,276.67x = 937,372,823,303.99
  5. Step 5: Solve for x
    x = 937,372,823,303.99/802,276.67
  6. Step 6: Final answer
    x = 1,168,390.99

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