Home / 1,381,740.77-1,906,773.54-769,891.07

Finding the Fourth Proportional to 1,381,740.77, 1,906,773.54 and 769,891.07

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Solution

The fourth proportional to 1,381,740.77, 1,906,773.54 and 769,891.07 is: 1,062,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,740.77 : 1,906,773.54 = 769,891.07 : x
  2. Step 2: Convert to fraction form
    1,381,740.77/1,906,773.54 = 769,891.07/x
  3. Step 3: Cross multiply
    1,381,740.77x = 1,906,773.54 × 769,891.07
  4. Step 4: Simplify right side
    1,381,740.77x = 1,468,007,920,958.29
  5. Step 5: Solve for x
    x = 1,468,007,920,958.29/1,381,740.77
  6. Step 6: Final answer
    x = 1,062,433.67

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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.