Home / 1,126,607.82-1,689,914.97-285,158.76

Finding the Fourth Proportional to 1,126,607.82, 1,689,914.97 and 285,158.76

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Solution

The fourth proportional to 1,126,607.82, 1,689,914.97 and 285,158.76 is: 427,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,607.82 : 1,689,914.97 = 285,158.76 : x
  2. Step 2: Convert to fraction form
    1,126,607.82/1,689,914.97 = 285,158.76/x
  3. Step 3: Cross multiply
    1,126,607.82x = 1,689,914.97 × 285,158.76
  4. Step 4: Simplify right side
    1,126,607.82x = 481,894,057,350.64
  5. Step 5: Solve for x
    x = 481,894,057,350.64/1,126,607.82
  6. Step 6: Final answer
    x = 427,738.96

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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.