Home / 1,381,484.03-1,906,506.79-769,636.44

Finding the Fourth Proportional to 1,381,484.03, 1,906,506.79 and 769,636.44

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Solution

The fourth proportional to 1,381,484.03, 1,906,506.79 and 769,636.44 is: 1,062,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,484.03 : 1,906,506.79 = 769,636.44 : x
  2. Step 2: Convert to fraction form
    1,381,484.03/1,906,506.79 = 769,636.44/x
  3. Step 3: Cross multiply
    1,381,484.03x = 1,906,506.79 × 769,636.44
  4. Step 4: Simplify right side
    1,381,484.03x = 1,467,317,096,767.34
  5. Step 5: Solve for x
    x = 1,467,317,096,767.34/1,381,484.03
  6. Step 6: Final answer
    x = 1,062,131.06

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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.