Home / 820,520.20-1,230,245.70-736,539.40

Finding the Fourth Proportional to 820,520.20, 1,230,245.70 and 736,539.40

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Solution

The fourth proportional to 820,520.20, 1,230,245.70 and 736,539.40 is: 1,104,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,520.20 : 1,230,245.70 = 736,539.40 : x
  2. Step 2: Convert to fraction form
    820,520.20/1,230,245.70 = 736,539.40/x
  3. Step 3: Cross multiply
    820,520.20x = 1,230,245.70 × 736,539.40
  4. Step 4: Simplify right side
    820,520.20x = 906,124,429,730.58
  5. Step 5: Solve for x
    x = 906,124,429,730.58/820,520.20
  6. Step 6: Final answer
    x = 1,104,329.22

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