Home / 1,305,338.33-1,801,480.88-761,649.27

Finding the Fourth Proportional to 1,305,338.33, 1,801,480.88 and 761,649.27

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Solution

The fourth proportional to 1,305,338.33, 1,801,480.88 and 761,649.27 is: 1,051,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,338.33 : 1,801,480.88 = 761,649.27 : x
  2. Step 2: Convert to fraction form
    1,305,338.33/1,801,480.88 = 761,649.27/x
  3. Step 3: Cross multiply
    1,305,338.33x = 1,801,480.88 × 761,649.27
  4. Step 4: Simplify right side
    1,305,338.33x = 1,372,096,597,170.96
  5. Step 5: Solve for x
    x = 1,372,096,597,170.96/1,305,338.33
  6. Step 6: Final answer
    x = 1,051,142.50

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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.