Home / 1,286,901.66-1,776,081.79-743,036.54

Finding the Fourth Proportional to 1,286,901.66, 1,776,081.79 and 743,036.54

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Solution

The fourth proportional to 1,286,901.66, 1,776,081.79 and 743,036.54 is: 1,025,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,901.66 : 1,776,081.79 = 743,036.54 : x
  2. Step 2: Convert to fraction form
    1,286,901.66/1,776,081.79 = 743,036.54/x
  3. Step 3: Cross multiply
    1,286,901.66x = 1,776,081.79 × 743,036.54
  4. Step 4: Simplify right side
    1,286,901.66x = 1,319,693,665,857.87
  5. Step 5: Solve for x
    x = 1,319,693,665,857.87/1,286,901.66
  6. Step 6: Final answer
    x = 1,025,481.36

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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.