Home / 1,252,442.26-1,729,269.03-769,654.72

Finding the Fourth Proportional to 1,252,442.26, 1,729,269.03 and 769,654.72

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Solution

The fourth proportional to 1,252,442.26, 1,729,269.03 and 769,654.72 is: 1,062,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,442.26 : 1,729,269.03 = 769,654.72 : x
  2. Step 2: Convert to fraction form
    1,252,442.26/1,729,269.03 = 769,654.72/x
  3. Step 3: Cross multiply
    1,252,442.26x = 1,729,269.03 × 769,654.72
  4. Step 4: Simplify right side
    1,252,442.26x = 1,330,940,071,089.32
  5. Step 5: Solve for x
    x = 1,330,940,071,089.32/1,252,442.26
  6. Step 6: Final answer
    x = 1,062,675.79

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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.