Home / 1,193,290.32-1,789,877.16-445,278

Finding the Fourth Proportional to 1,193,290.32, 1,789,877.16 and 445,278

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Solution

The fourth proportional to 1,193,290.32, 1,789,877.16 and 445,278 is: 667,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,290.32 : 1,789,877.16 = 445,278 : x
  2. Step 2: Convert to fraction form
    1,193,290.32/1,789,877.16 = 445,278/x
  3. Step 3: Cross multiply
    1,193,290.32x = 1,789,877.16 × 445,278
  4. Step 4: Simplify right side
    1,193,290.32x = 796,992,922,050.48
  5. Step 5: Solve for x
    x = 796,992,922,050.48/1,193,290.32
  6. Step 6: Final answer
    x = 667,895.24

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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.