Home / 1,419,553.82-2,129,012.40-408,450.41

Finding the Fourth Proportional to 1,419,553.82, 2,129,012.40 and 408,450.41

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Solution

The fourth proportional to 1,419,553.82, 2,129,012.40 and 408,450.41 is: 612,584.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,553.82 : 2,129,012.40 = 408,450.41 : x
  2. Step 2: Convert to fraction form
    1,419,553.82/2,129,012.40 = 408,450.41/x
  3. Step 3: Cross multiply
    1,419,553.82x = 2,129,012.40 × 408,450.41
  4. Step 4: Simplify right side
    1,419,553.82x = 869,595,977,030.02
  5. Step 5: Solve for x
    x = 869,595,977,030.02/1,419,553.82
  6. Step 6: Final answer
    x = 612,584.02

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1.5x scale

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.