Home / 1,448,766.40-2,174,704.80-818,910.40

Finding the Fourth Proportional to 1,448,766.40, 2,174,704.80 and 818,910.40

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Solution

The fourth proportional to 1,448,766.40, 2,174,704.80 and 818,910.40 is: 1,229,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,766.40 : 2,174,704.80 = 818,910.40 : x
  2. Step 2: Convert to fraction form
    1,448,766.40/2,174,704.80 = 818,910.40/x
  3. Step 3: Cross multiply
    1,448,766.40x = 2,174,704.80 × 818,910.40
  4. Step 4: Simplify right side
    1,448,766.40x = 1,780,888,377,649.92
  5. Step 5: Solve for x
    x = 1,780,888,377,649.92/1,448,766.40
  6. Step 6: Final answer
    x = 1,229,244.67

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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.