Home / 1,126,361.53-1,694,336.84-1,021,015.87

Finding the Fourth Proportional to 1,126,361.53, 1,694,336.84 and 1,021,015.87

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Solution

The fourth proportional to 1,126,361.53, 1,694,336.84 and 1,021,015.87 is: 1,535,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,361.53 : 1,694,336.84 = 1,021,015.87 : x
  2. Step 2: Convert to fraction form
    1,126,361.53/1,694,336.84 = 1,021,015.87/x
  3. Step 3: Cross multiply
    1,126,361.53x = 1,694,336.84 × 1,021,015.87
  4. Step 4: Simplify right side
    1,126,361.53x = 1,729,944,797,253.54
  5. Step 5: Solve for x
    x = 1,729,944,797,253.54/1,126,361.53
  6. Step 6: Final answer
    x = 1,535,869.92

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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.