Home / 1,231,852.96-1,847,783.73-378,918.82

Finding the Fourth Proportional to 1,231,852.96, 1,847,783.73 and 378,918.82

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Solution

The fourth proportional to 1,231,852.96, 1,847,783.73 and 378,918.82 is: 568,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,852.96 : 1,847,783.73 = 378,918.82 : x
  2. Step 2: Convert to fraction form
    1,231,852.96/1,847,783.73 = 378,918.82/x
  3. Step 3: Cross multiply
    1,231,852.96x = 1,847,783.73 × 378,918.82
  4. Step 4: Simplify right side
    1,231,852.96x = 700,160,028,692.21
  5. Step 5: Solve for x
    x = 700,160,028,692.21/1,231,852.96
  6. Step 6: Final answer
    x = 568,379.55

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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.