Home / 1,072,846.62-1,480,156.11-685,888.56

Finding the Fourth Proportional to 1,072,846.62, 1,480,156.11 and 685,888.56

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Solution

The fourth proportional to 1,072,846.62, 1,480,156.11 and 685,888.56 is: 946,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,846.62 : 1,480,156.11 = 685,888.56 : x
  2. Step 2: Convert to fraction form
    1,072,846.62/1,480,156.11 = 685,888.56/x
  3. Step 3: Cross multiply
    1,072,846.62x = 1,480,156.11 × 685,888.56
  4. Step 4: Simplify right side
    1,072,846.62x = 1,015,222,142,863.10
  5. Step 5: Solve for x
    x = 1,015,222,142,863.10/1,072,846.62
  6. Step 6: Final answer
    x = 946,288.24

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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.