Home / 1,367,729-1,887,431.46-764,121.32

Finding the Fourth Proportional to 1,367,729, 1,887,431.46 and 764,121.32

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Solution

The fourth proportional to 1,367,729, 1,887,431.46 and 764,121.32 is: 1,054,468.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,729 : 1,887,431.46 = 764,121.32 : x
  2. Step 2: Convert to fraction form
    1,367,729/1,887,431.46 = 764,121.32/x
  3. Step 3: Cross multiply
    1,367,729x = 1,887,431.46 × 764,121.32
  4. Step 4: Simplify right side
    1,367,729x = 1,442,226,618,624.73
  5. Step 5: Solve for x
    x = 1,442,226,618,624.73/1,367,729
  6. Step 6: Final answer
    x = 1,054,468.11

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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.