Home / 1,107,618.83-1,661,428.04-266,170.58

Finding the Fourth Proportional to 1,107,618.83, 1,661,428.04 and 266,170.58

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Solution

The fourth proportional to 1,107,618.83, 1,661,428.04 and 266,170.58 is: 399,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,618.83 : 1,661,428.04 = 266,170.58 : x
  2. Step 2: Convert to fraction form
    1,107,618.83/1,661,428.04 = 266,170.58/x
  3. Step 3: Cross multiply
    1,107,618.83x = 1,661,428.04 × 266,170.58
  4. Step 4: Simplify right side
    1,107,618.83x = 442,223,255,397.07
  5. Step 5: Solve for x
    x = 442,223,255,397.07/1,107,618.83
  6. Step 6: Final answer
    x = 399,255.81

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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.