Home / 1,267,018.11-1,748,485.31-694,078.65

Finding the Fourth Proportional to 1,267,018.11, 1,748,485.31 and 694,078.65

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Solution

The fourth proportional to 1,267,018.11, 1,748,485.31 and 694,078.65 is: 957,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,018.11 : 1,748,485.31 = 694,078.65 : x
  2. Step 2: Convert to fraction form
    1,267,018.11/1,748,485.31 = 694,078.65/x
  3. Step 3: Cross multiply
    1,267,018.11x = 1,748,485.31 × 694,078.65
  4. Step 4: Simplify right side
    1,267,018.11x = 1,213,586,320,039.24
  5. Step 5: Solve for x
    x = 1,213,586,320,039.24/1,267,018.11
  6. Step 6: Final answer
    x = 957,828.71

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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.