Home / 1,251,112.78-1,876,669.35-304,483.51

Finding the Fourth Proportional to 1,251,112.78, 1,876,669.35 and 304,483.51

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Solution

The fourth proportional to 1,251,112.78, 1,876,669.35 and 304,483.51 is: 456,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,112.78 : 1,876,669.35 = 304,483.51 : x
  2. Step 2: Convert to fraction form
    1,251,112.78/1,876,669.35 = 304,483.51/x
  3. Step 3: Cross multiply
    1,251,112.78x = 1,876,669.35 × 304,483.51
  4. Step 4: Simplify right side
    1,251,112.78x = 571,414,859,891.65
  5. Step 5: Solve for x
    x = 571,414,859,891.65/1,251,112.78
  6. Step 6: Final answer
    x = 456,725.30

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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.