Home / 1,764,187.20-2,646,280.80-922,629.60

Finding the Fourth Proportional to 1,764,187.20, 2,646,280.80 and 922,629.60

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Solution

The fourth proportional to 1,764,187.20, 2,646,280.80 and 922,629.60 is: 1,383,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,187.20 : 2,646,280.80 = 922,629.60 : x
  2. Step 2: Convert to fraction form
    1,764,187.20/2,646,280.80 = 922,629.60/x
  3. Step 3: Cross multiply
    1,764,187.20x = 2,646,280.80 × 922,629.60
  4. Step 4: Simplify right side
    1,764,187.20x = 2,441,536,995,991.68
  5. Step 5: Solve for x
    x = 2,441,536,995,991.68/1,764,187.20
  6. Step 6: Final answer
    x = 1,383,944.40

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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.