Home / 1,764,003.40-2,639,784.30-1,229,014.60

Finding the Fourth Proportional to 1,764,003.40, 2,639,784.30 and 1,229,014.60

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Solution

The fourth proportional to 1,764,003.40, 2,639,784.30 and 1,229,014.60 is: 1,839,187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,003.40 : 2,639,784.30 = 1,229,014.60 : x
  2. Step 2: Convert to fraction form
    1,764,003.40/2,639,784.30 = 1,229,014.60/x
  3. Step 3: Cross multiply
    1,764,003.40x = 2,639,784.30 × 1,229,014.60
  4. Step 4: Simplify right side
    1,764,003.40x = 3,244,333,445,550.78
  5. Step 5: Solve for x
    x = 3,244,333,445,550.78/1,764,003.40
  6. Step 6: Final answer
    x = 1,839,187.75

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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.