Home / 1,414,063.85-2,121,115.53-403,186.21

Finding the Fourth Proportional to 1,414,063.85, 2,121,115.53 and 403,186.21

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Solution

The fourth proportional to 1,414,063.85, 2,121,115.53 and 403,186.21 is: 604,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,063.85 : 2,121,115.53 = 403,186.21 : x
  2. Step 2: Convert to fraction form
    1,414,063.85/2,121,115.53 = 403,186.21/x
  3. Step 3: Cross multiply
    1,414,063.85x = 2,121,115.53 × 403,186.21
  4. Step 4: Simplify right side
    1,414,063.85x = 855,204,531,512.84
  5. Step 5: Solve for x
    x = 855,204,531,512.84/1,414,063.85
  6. Step 6: Final answer
    x = 604,784.95

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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.