Home / 1,787,250.40-2,682,187.80-1,188,012.40

Finding the Fourth Proportional to 1,787,250.40, 2,682,187.80 and 1,188,012.40

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Solution

The fourth proportional to 1,787,250.40, 2,682,187.80 and 1,188,012.40 is: 1,782,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,250.40 : 2,682,187.80 = 1,188,012.40 : x
  2. Step 2: Convert to fraction form
    1,787,250.40/2,682,187.80 = 1,188,012.40/x
  3. Step 3: Cross multiply
    1,787,250.40x = 2,682,187.80 × 1,188,012.40
  4. Step 4: Simplify right side
    1,787,250.40x = 3,186,472,365,528.72
  5. Step 5: Solve for x
    x = 3,186,472,365,528.72/1,787,250.40
  6. Step 6: Final answer
    x = 1,782,890.84

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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.