Home / 1,251,775.42-1,727,450.54-678,815.44

Finding the Fourth Proportional to 1,251,775.42, 1,727,450.54 and 678,815.44

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Solution

The fourth proportional to 1,251,775.42, 1,727,450.54 and 678,815.44 is: 936,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,775.42 : 1,727,450.54 = 678,815.44 : x
  2. Step 2: Convert to fraction form
    1,251,775.42/1,727,450.54 = 678,815.44/x
  3. Step 3: Cross multiply
    1,251,775.42x = 1,727,450.54 × 678,815.44
  4. Step 4: Simplify right side
    1,251,775.42x = 1,172,620,098,388.34
  5. Step 5: Solve for x
    x = 1,172,620,098,388.34/1,251,775.42
  6. Step 6: Final answer
    x = 936,765.56

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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.