Home / 1,787,246.40-2,682,181.80-1,188,008.40

Finding the Fourth Proportional to 1,787,246.40, 2,682,181.80 and 1,188,008.40

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Solution

The fourth proportional to 1,787,246.40, 2,682,181.80 and 1,188,008.40 is: 1,782,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,246.40 : 2,682,181.80 = 1,188,008.40 : x
  2. Step 2: Convert to fraction form
    1,787,246.40/2,682,181.80 = 1,188,008.40/x
  3. Step 3: Cross multiply
    1,787,246.40x = 2,682,181.80 × 1,188,008.40
  4. Step 4: Simplify right side
    1,787,246.40x = 3,186,454,508,727.12
  5. Step 5: Solve for x
    x = 3,186,454,508,727.12/1,787,246.40
  6. Step 6: Final answer
    x = 1,782,884.84

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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.