Home / 1,509,514.94-2,083,144.16-821,201.82

Finding the Fourth Proportional to 1,509,514.94, 2,083,144.16 and 821,201.82

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Solution

The fourth proportional to 1,509,514.94, 2,083,144.16 and 821,201.82 is: 1,133,265.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,514.94 : 2,083,144.16 = 821,201.82 : x
  2. Step 2: Convert to fraction form
    1,509,514.94/2,083,144.16 = 821,201.82/x
  3. Step 3: Cross multiply
    1,509,514.94x = 2,083,144.16 × 821,201.82
  4. Step 4: Simplify right side
    1,509,514.94x = 1,710,681,775,514.37
  5. Step 5: Solve for x
    x = 1,710,681,775,514.37/1,509,514.94
  6. Step 6: Final answer
    x = 1,133,265.88

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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.