Home / 1,313,297.91-1,812,632.91-829,555.38

Finding the Fourth Proportional to 1,313,297.91, 1,812,632.91 and 829,555.38

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Solution

The fourth proportional to 1,313,297.91, 1,812,632.91 and 829,555.38 is: 1,144,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,297.91 : 1,812,632.91 = 829,555.38 : x
  2. Step 2: Convert to fraction form
    1,313,297.91/1,812,632.91 = 829,555.38/x
  3. Step 3: Cross multiply
    1,313,297.91x = 1,812,632.91 × 829,555.38
  4. Step 4: Simplify right side
    1,313,297.91x = 1,503,679,382,455.56
  5. Step 5: Solve for x
    x = 1,503,679,382,455.56/1,313,297.91
  6. Step 6: Final answer
    x = 1,144,964.42

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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.