Home / 1,670,249.20-2,505,351.93-408,087.76

Finding the Fourth Proportional to 1,670,249.20, 2,505,351.93 and 408,087.76

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Solution

The fourth proportional to 1,670,249.20, 2,505,351.93 and 408,087.76 is: 612,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,249.20 : 2,505,351.93 = 408,087.76 : x
  2. Step 2: Convert to fraction form
    1,670,249.20/2,505,351.93 = 408,087.76/x
  3. Step 3: Cross multiply
    1,670,249.20x = 2,505,351.93 × 408,087.76
  4. Step 4: Simplify right side
    1,670,249.20x = 1,022,403,457,125.38
  5. Step 5: Solve for x
    x = 1,022,403,457,125.38/1,670,249.20
  6. Step 6: Final answer
    x = 612,126.30

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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.