Home / 1,224,557.07-1,690,025.45-741,388.47

Finding the Fourth Proportional to 1,224,557.07, 1,690,025.45 and 741,388.47

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Solution

The fourth proportional to 1,224,557.07, 1,690,025.45 and 741,388.47 is: 1,023,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,557.07 : 1,690,025.45 = 741,388.47 : x
  2. Step 2: Convert to fraction form
    1,224,557.07/1,690,025.45 = 741,388.47/x
  3. Step 3: Cross multiply
    1,224,557.07x = 1,690,025.45 × 741,388.47
  4. Step 4: Simplify right side
    1,224,557.07x = 1,252,965,382,636.56
  5. Step 5: Solve for x
    x = 1,252,965,382,636.56/1,224,557.07
  6. Step 6: Final answer
    x = 1,023,198.85

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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.