Home / 1,072,314.73-1,479,424.38-685,356.64

Finding the Fourth Proportional to 1,072,314.73, 1,479,424.38 and 685,356.64

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Solution

The fourth proportional to 1,072,314.73, 1,479,424.38 and 685,356.64 is: 945,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,314.73 : 1,479,424.38 = 685,356.64 : x
  2. Step 2: Convert to fraction form
    1,072,314.73/1,479,424.38 = 685,356.64/x
  3. Step 3: Cross multiply
    1,072,314.73x = 1,479,424.38 × 685,356.64
  4. Step 4: Simplify right side
    1,072,314.73x = 1,013,933,322,210.88
  5. Step 5: Solve for x
    x = 1,013,933,322,210.88/1,072,314.73
  6. Step 6: Final answer
    x = 945,555.72

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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.