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Finding the Fourth Proportional to 1,319,755, 1,821,266.76 and 716,143

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Solution

The fourth proportional to 1,319,755, 1,821,266.76 and 716,143 is: 988,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,755 : 1,821,266.76 = 716,143 : x
  2. Step 2: Convert to fraction form
    1,319,755/1,821,266.76 = 716,143/x
  3. Step 3: Cross multiply
    1,319,755x = 1,821,266.76 × 716,143
  4. Step 4: Simplify right side
    1,319,755x = 1,304,287,441,306.68
  5. Step 5: Solve for x
    x = 1,304,287,441,306.68/1,319,755
  6. Step 6: Final answer
    x = 988,279.98

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