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Finding the Fourth Proportional to 1,386,676, 2,080,014 and 336,052

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Solution

The fourth proportional to 1,386,676, 2,080,014 and 336,052 is: 504,078

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,676 : 2,080,014 = 336,052 : x
  2. Step 2: Convert to fraction form
    1,386,676/2,080,014 = 336,052/x
  3. Step 3: Cross multiply
    1,386,676x = 2,080,014 × 336,052
  4. Step 4: Simplify right side
    1,386,676x = 698,992,864,728
  5. Step 5: Solve for x
    x = 698,992,864,728/1,386,676
  6. Step 6: Final answer
    x = 504,078

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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.