Home / 1,239,396.92-1,859,620.26-677,775.32

Finding the Fourth Proportional to 1,239,396.92, 1,859,620.26 and 677,775.32

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Solution

The fourth proportional to 1,239,396.92, 1,859,620.26 and 677,775.32 is: 1,016,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,396.92 : 1,859,620.26 = 677,775.32 : x
  2. Step 2: Convert to fraction form
    1,239,396.92/1,859,620.26 = 677,775.32/x
  3. Step 3: Cross multiply
    1,239,396.92x = 1,859,620.26 × 677,775.32
  4. Step 4: Simplify right side
    1,239,396.92x = 1,260,404,716,799.98
  5. Step 5: Solve for x
    x = 1,260,404,716,799.98/1,239,396.92
  6. Step 6: Final answer
    x = 1,016,950.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.