Home / 1,321,083.71-1,981,001.34-511,847.24

Finding the Fourth Proportional to 1,321,083.71, 1,981,001.34 and 511,847.24

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Solution

The fourth proportional to 1,321,083.71, 1,981,001.34 and 511,847.24 is: 767,529.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,083.71 : 1,981,001.34 = 511,847.24 : x
  2. Step 2: Convert to fraction form
    1,321,083.71/1,981,001.34 = 511,847.24/x
  3. Step 3: Cross multiply
    1,321,083.71x = 1,981,001.34 × 511,847.24
  4. Step 4: Simplify right side
    1,321,083.71x = 1,013,970,058,410.30
  5. Step 5: Solve for x
    x = 1,013,970,058,410.30/1,321,083.71
  6. Step 6: Final answer
    x = 767,529.00

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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.