Home / 1,367,627.85-1,887,324.71-764,015.85

Finding the Fourth Proportional to 1,367,627.85, 1,887,324.71 and 764,015.85

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Solution

The fourth proportional to 1,367,627.85, 1,887,324.71 and 764,015.85 is: 1,054,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,627.85 : 1,887,324.71 = 764,015.85 : x
  2. Step 2: Convert to fraction form
    1,367,627.85/1,887,324.71 = 764,015.85/x
  3. Step 3: Cross multiply
    1,367,627.85x = 1,887,324.71 × 764,015.85
  4. Step 4: Simplify right side
    1,367,627.85x = 1,441,945,988,716.57
  5. Step 5: Solve for x
    x = 1,441,945,988,716.57/1,367,627.85
  6. Step 6: Final answer
    x = 1,054,340.91

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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.