Home / 1,107,145.80-1,661,010.30-397,099.80

Finding the Fourth Proportional to 1,107,145.80, 1,661,010.30 and 397,099.80

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Solution

The fourth proportional to 1,107,145.80, 1,661,010.30 and 397,099.80 is: 595,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,145.80 : 1,661,010.30 = 397,099.80 : x
  2. Step 2: Convert to fraction form
    1,107,145.80/1,661,010.30 = 397,099.80/x
  3. Step 3: Cross multiply
    1,107,145.80x = 1,661,010.30 × 397,099.80
  4. Step 4: Simplify right side
    1,107,145.80x = 659,586,857,927.94
  5. Step 5: Solve for x
    x = 659,586,857,927.94/1,107,145.80
  6. Step 6: Final answer
    x = 595,754.29

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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.