Home / 1,340,103.68-2,008,464.78-540,940.40

Finding the Fourth Proportional to 1,340,103.68, 2,008,464.78 and 540,940.40

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Solution

The fourth proportional to 1,340,103.68, 2,008,464.78 and 540,940.40 is: 810,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,103.68 : 2,008,464.78 = 540,940.40 : x
  2. Step 2: Convert to fraction form
    1,340,103.68/2,008,464.78 = 540,940.40/x
  3. Step 3: Cross multiply
    1,340,103.68x = 2,008,464.78 × 540,940.40
  4. Step 4: Simplify right side
    1,340,103.68x = 1,086,459,741,479.11
  5. Step 5: Solve for x
    x = 1,086,459,741,479.11/1,340,103.68
  6. Step 6: Final answer
    x = 810,728.12

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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.