Home / 1,366,509.40-2,049,812.70-419,878.60

Finding the Fourth Proportional to 1,366,509.40, 2,049,812.70 and 419,878.60

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Solution

The fourth proportional to 1,366,509.40, 2,049,812.70 and 419,878.60 is: 629,832.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,509.40 : 2,049,812.70 = 419,878.60 : x
  2. Step 2: Convert to fraction form
    1,366,509.40/2,049,812.70 = 419,878.60/x
  3. Step 3: Cross multiply
    1,366,509.40x = 2,049,812.70 × 419,878.60
  4. Step 4: Simplify right side
    1,366,509.40x = 860,672,486,738.22
  5. Step 5: Solve for x
    x = 860,672,486,738.22/1,366,509.40
  6. Step 6: Final answer
    x = 629,832.83

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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.