Home / 1,815,393.24-2,505,222-999,579.87

Finding the Fourth Proportional to 1,815,393.24, 2,505,222 and 999,579.87

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Solution

The fourth proportional to 1,815,393.24, 2,505,222 and 999,579.87 is: 1,379,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,393.24 : 2,505,222 = 999,579.87 : x
  2. Step 2: Convert to fraction form
    1,815,393.24/2,505,222 = 999,579.87/x
  3. Step 3: Cross multiply
    1,815,393.24x = 2,505,222 × 999,579.87
  4. Step 4: Simplify right side
    1,815,393.24x = 2,504,169,481,081.14
  5. Step 5: Solve for x
    x = 2,504,169,481,081.14/1,815,393.24
  6. Step 6: Final answer
    x = 1,379,408.84

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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.