Home / 1,244,799.20-1,867,198.80-1,134,574.40

Finding the Fourth Proportional to 1,244,799.20, 1,867,198.80 and 1,134,574.40

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Solution

The fourth proportional to 1,244,799.20, 1,867,198.80 and 1,134,574.40 is: 1,701,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,799.20 : 1,867,198.80 = 1,134,574.40 : x
  2. Step 2: Convert to fraction form
    1,244,799.20/1,867,198.80 = 1,134,574.40/x
  3. Step 3: Cross multiply
    1,244,799.20x = 1,867,198.80 × 1,134,574.40
  4. Step 4: Simplify right side
    1,244,799.20x = 2,118,475,958,190.72
  5. Step 5: Solve for x
    x = 2,118,475,958,190.72/1,244,799.20
  6. Step 6: Final answer
    x = 1,701,861.60

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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.