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Finding the Fourth Proportional to 922,117.10, 1,383,175.65 and 620,967.20

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Solution

The fourth proportional to 922,117.10, 1,383,175.65 and 620,967.20 is: 931,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,117.10 : 1,383,175.65 = 620,967.20 : x
  2. Step 2: Convert to fraction form
    922,117.10/1,383,175.65 = 620,967.20/x
  3. Step 3: Cross multiply
    922,117.10x = 1,383,175.65 × 620,967.20
  4. Step 4: Simplify right side
    922,117.10x = 858,906,710,488.68
  5. Step 5: Solve for x
    x = 858,906,710,488.68/922,117.10
  6. Step 6: Final answer
    x = 931,450.80

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