Home / 1,815,755.47-2,505,661.59-1,040,830.63

Finding the Fourth Proportional to 1,815,755.47, 2,505,661.59 and 1,040,830.63

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Solution

The fourth proportional to 1,815,755.47, 2,505,661.59 and 1,040,830.63 is: 1,436,299.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,755.47 : 2,505,661.59 = 1,040,830.63 : x
  2. Step 2: Convert to fraction form
    1,815,755.47/2,505,661.59 = 1,040,830.63/x
  3. Step 3: Cross multiply
    1,815,755.47x = 2,505,661.59 × 1,040,830.63
  4. Step 4: Simplify right side
    1,815,755.47x = 2,607,969,331,286.50
  5. Step 5: Solve for x
    x = 2,607,969,331,286.50/1,815,755.47
  6. Step 6: Final answer
    x = 1,436,299.86

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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.