Home / 1,471,018.06-2,206,882.80-511,335.12

Finding the Fourth Proportional to 1,471,018.06, 2,206,882.80 and 511,335.12

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Solution

The fourth proportional to 1,471,018.06, 2,206,882.80 and 511,335.12 is: 767,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,018.06 : 2,206,882.80 = 511,335.12 : x
  2. Step 2: Convert to fraction form
    1,471,018.06/2,206,882.80 = 511,335.12/x
  3. Step 3: Cross multiply
    1,471,018.06x = 2,206,882.80 × 511,335.12
  4. Step 4: Simplify right side
    1,471,018.06x = 1,128,456,681,363.94
  5. Step 5: Solve for x
    x = 1,128,456,681,363.94/1,471,018.06
  6. Step 6: Final answer
    x = 767,126.33

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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.