Home / 1,628,704.20-2,443,347.90-682,170.60

Finding the Fourth Proportional to 1,628,704.20, 2,443,347.90 and 682,170.60

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Solution

The fourth proportional to 1,628,704.20, 2,443,347.90 and 682,170.60 is: 1,023,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,704.20 : 2,443,347.90 = 682,170.60 : x
  2. Step 2: Convert to fraction form
    1,628,704.20/2,443,347.90 = 682,170.60/x
  3. Step 3: Cross multiply
    1,628,704.20x = 2,443,347.90 × 682,170.60
  4. Step 4: Simplify right side
    1,628,704.20x = 1,666,780,102,951.74
  5. Step 5: Solve for x
    x = 1,666,780,102,951.74/1,628,704.20
  6. Step 6: Final answer
    x = 1,023,378.03

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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.