Home / 1,815,458.40-2,505,351.24-999,738

Finding the Fourth Proportional to 1,815,458.40, 2,505,351.24 and 999,738

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Solution

The fourth proportional to 1,815,458.40, 2,505,351.24 and 999,738 is: 1,379,648.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,458.40 : 2,505,351.24 = 999,738 : x
  2. Step 2: Convert to fraction form
    1,815,458.40/2,505,351.24 = 999,738/x
  3. Step 3: Cross multiply
    1,815,458.40x = 2,505,351.24 × 999,738
  4. Step 4: Simplify right side
    1,815,458.40x = 2,504,694,837,975.12
  5. Step 5: Solve for x
    x = 2,504,694,837,975.12/1,815,458.40
  6. Step 6: Final answer
    x = 1,379,648.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.