Home / 1,107,601.88-1,661,378.92-308,862.16

Finding the Fourth Proportional to 1,107,601.88, 1,661,378.92 and 308,862.16

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Solution

The fourth proportional to 1,107,601.88, 1,661,378.92 and 308,862.16 is: 463,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,601.88 : 1,661,378.92 = 308,862.16 : x
  2. Step 2: Convert to fraction form
    1,107,601.88/1,661,378.92 = 308,862.16/x
  3. Step 3: Cross multiply
    1,107,601.88x = 1,661,378.92 × 308,862.16
  4. Step 4: Simplify right side
    1,107,601.88x = 513,137,081,809.67
  5. Step 5: Solve for x
    x = 513,137,081,809.67/1,107,601.88
  6. Step 6: Final answer
    x = 463,286.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.