Home / 1,208,676.06-1,667,857.23-664,803.18

Finding the Fourth Proportional to 1,208,676.06, 1,667,857.23 and 664,803.18

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Solution

The fourth proportional to 1,208,676.06, 1,667,857.23 and 664,803.18 is: 917,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,676.06 : 1,667,857.23 = 664,803.18 : x
  2. Step 2: Convert to fraction form
    1,208,676.06/1,667,857.23 = 664,803.18/x
  3. Step 3: Cross multiply
    1,208,676.06x = 1,667,857.23 × 664,803.18
  4. Step 4: Simplify right side
    1,208,676.06x = 1,108,796,790,289.99
  5. Step 5: Solve for x
    x = 1,108,796,790,289.99/1,208,676.06
  6. Step 6: Final answer
    x = 917,364.73

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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.