Home / 1,815,754.47-2,505,660.21-1,040,829.63

Finding the Fourth Proportional to 1,815,754.47, 2,505,660.21 and 1,040,829.63

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Solution

The fourth proportional to 1,815,754.47, 2,505,660.21 and 1,040,829.63 is: 1,436,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,754.47 : 2,505,660.21 = 1,040,829.63 : x
  2. Step 2: Convert to fraction form
    1,815,754.47/2,505,660.21 = 1,040,829.63/x
  3. Step 3: Cross multiply
    1,815,754.47x = 2,505,660.21 × 1,040,829.63
  4. Step 4: Simplify right side
    1,815,754.47x = 2,607,965,389,280.02
  5. Step 5: Solve for x
    x = 2,607,965,389,280.02/1,815,754.47
  6. Step 6: Final answer
    x = 1,436,298.48

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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.