Home / 1,002,307.82-1,503,795.94-666,671.66

Finding the Fourth Proportional to 1,002,307.82, 1,503,795.94 and 666,671.66

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Solution

The fourth proportional to 1,002,307.82, 1,503,795.94 and 666,671.66 is: 1,000,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,307.82 : 1,503,795.94 = 666,671.66 : x
  2. Step 2: Convert to fraction form
    1,002,307.82/1,503,795.94 = 666,671.66/x
  3. Step 3: Cross multiply
    1,002,307.82x = 1,503,795.94 × 666,671.66
  4. Step 4: Simplify right side
    1,002,307.82x = 1,002,538,135,621.06
  5. Step 5: Solve for x
    x = 1,002,538,135,621.06/1,002,307.82
  6. Step 6: Final answer
    x = 1,000,229.79

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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.