Home / 1,028,056-1,419,465.60-825,222.64

Finding the Fourth Proportional to 1,028,056, 1,419,465.60 and 825,222.64

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Solution

The fourth proportional to 1,028,056, 1,419,465.60 and 825,222.64 is: 1,139,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,056 : 1,419,465.60 = 825,222.64 : x
  2. Step 2: Convert to fraction form
    1,028,056/1,419,465.60 = 825,222.64/x
  3. Step 3: Cross multiply
    1,028,056x = 1,419,465.60 × 825,222.64
  4. Step 4: Simplify right side
    1,028,056x = 1,171,375,149,821.18
  5. Step 5: Solve for x
    x = 1,171,375,149,821.18/1,028,056
  6. Step 6: Final answer
    x = 1,139,407.92

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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.