Home / 1,620,512.70-2,428,825.05-673,395.90

Finding the Fourth Proportional to 1,620,512.70, 2,428,825.05 and 673,395.90

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Solution

The fourth proportional to 1,620,512.70, 2,428,825.05 and 673,395.90 is: 1,009,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,512.70 : 2,428,825.05 = 673,395.90 : x
  2. Step 2: Convert to fraction form
    1,620,512.70/2,428,825.05 = 673,395.90/x
  3. Step 3: Cross multiply
    1,620,512.70x = 2,428,825.05 × 673,395.90
  4. Step 4: Simplify right side
    1,620,512.70x = 1,635,560,830,487.30
  5. Step 5: Solve for x
    x = 1,635,560,830,487.30/1,620,512.70
  6. Step 6: Final answer
    x = 1,009,286.03

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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.