Home / 1,252,418.46-1,728,338.09-679,458.48

Finding the Fourth Proportional to 1,252,418.46, 1,728,338.09 and 679,458.48

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Solution

The fourth proportional to 1,252,418.46, 1,728,338.09 and 679,458.48 is: 937,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,418.46 : 1,728,338.09 = 679,458.48 : x
  2. Step 2: Convert to fraction form
    1,252,418.46/1,728,338.09 = 679,458.48/x
  3. Step 3: Cross multiply
    1,252,418.46x = 1,728,338.09 × 679,458.48
  4. Step 4: Simplify right side
    1,252,418.46x = 1,174,333,968,160.21
  5. Step 5: Solve for x
    x = 1,174,333,968,160.21/1,252,418.46
  6. Step 6: Final answer
    x = 937,653.03

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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.