Home / 1,685,768.28-2,324,468.40-1,072,950.36

Finding the Fourth Proportional to 1,685,768.28, 2,324,468.40 and 1,072,950.36

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Solution

The fourth proportional to 1,685,768.28, 2,324,468.40 and 1,072,950.36 is: 1,479,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,768.28 : 2,324,468.40 = 1,072,950.36 : x
  2. Step 2: Convert to fraction form
    1,685,768.28/2,324,468.40 = 1,072,950.36/x
  3. Step 3: Cross multiply
    1,685,768.28x = 2,324,468.40 × 1,072,950.36
  4. Step 4: Simplify right side
    1,685,768.28x = 2,494,039,206,588.62
  5. Step 5: Solve for x
    x = 2,494,039,206,588.62/1,685,768.28
  6. Step 6: Final answer
    x = 1,479,467.40

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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.