Home / 1,815,280.84-2,505,147.24-999,544.42

Finding the Fourth Proportional to 1,815,280.84, 2,505,147.24 and 999,544.42

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Solution

The fourth proportional to 1,815,280.84, 2,505,147.24 and 999,544.42 is: 1,379,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,280.84 : 2,505,147.24 = 999,544.42 : x
  2. Step 2: Convert to fraction form
    1,815,280.84/2,505,147.24 = 999,544.42/x
  3. Step 3: Cross multiply
    1,815,280.84x = 2,505,147.24 × 999,544.42
  4. Step 4: Simplify right side
    1,815,280.84x = 2,504,005,945,020.40
  5. Step 5: Solve for x
    x = 2,504,005,945,020.40/1,815,280.84
  6. Step 6: Final answer
    x = 1,379,404.16

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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.