Home / 1,086,906.64-1,499,974.32-628,006

Finding the Fourth Proportional to 1,086,906.64, 1,499,974.32 and 628,006

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Solution

The fourth proportional to 1,086,906.64, 1,499,974.32 and 628,006 is: 866,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,906.64 : 1,499,974.32 = 628,006 : x
  2. Step 2: Convert to fraction form
    1,086,906.64/1,499,974.32 = 628,006/x
  3. Step 3: Cross multiply
    1,086,906.64x = 1,499,974.32 × 628,006
  4. Step 4: Simplify right side
    1,086,906.64x = 941,992,872,805.92
  5. Step 5: Solve for x
    x = 941,992,872,805.92/1,086,906.64
  6. Step 6: Final answer
    x = 866,673.22

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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.