Home / 1,628,352.80-2,442,091.80-681,527.60

Finding the Fourth Proportional to 1,628,352.80, 2,442,091.80 and 681,527.60

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Solution

The fourth proportional to 1,628,352.80, 2,442,091.80 and 681,527.60 is: 1,022,108.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,352.80 : 2,442,091.80 = 681,527.60 : x
  2. Step 2: Convert to fraction form
    1,628,352.80/2,442,091.80 = 681,527.60/x
  3. Step 3: Cross multiply
    1,628,352.80x = 2,442,091.80 × 681,527.60
  4. Step 4: Simplify right side
    1,628,352.80x = 1,664,352,963,433.68
  5. Step 5: Solve for x
    x = 1,664,352,963,433.68/1,628,352.80
  6. Step 6: Final answer
    x = 1,022,108.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.