Home / 1,267,009.62-1,747,072.22-807,396.18

Finding the Fourth Proportional to 1,267,009.62, 1,747,072.22 and 807,396.18

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Solution

The fourth proportional to 1,267,009.62, 1,747,072.22 and 807,396.18 is: 1,113,313.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,009.62 : 1,747,072.22 = 807,396.18 : x
  2. Step 2: Convert to fraction form
    1,267,009.62/1,747,072.22 = 807,396.18/x
  3. Step 3: Cross multiply
    1,267,009.62x = 1,747,072.22 × 807,396.18
  4. Step 4: Simplify right side
    1,267,009.62x = 1,410,579,436,612.12
  5. Step 5: Solve for x
    x = 1,410,579,436,612.12/1,267,009.62
  6. Step 6: Final answer
    x = 1,113,313.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.