Home / 1,436,918.28-1,982,205.09-892,847.36

Finding the Fourth Proportional to 1,436,918.28, 1,982,205.09 and 892,847.36

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Solution

The fourth proportional to 1,436,918.28, 1,982,205.09 and 892,847.36 is: 1,231,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,918.28 : 1,982,205.09 = 892,847.36 : x
  2. Step 2: Convert to fraction form
    1,436,918.28/1,982,205.09 = 892,847.36/x
  3. Step 3: Cross multiply
    1,436,918.28x = 1,982,205.09 × 892,847.36
  4. Step 4: Simplify right side
    1,436,918.28x = 1,769,806,571,674.04
  5. Step 5: Solve for x
    x = 1,769,806,571,674.04/1,436,918.28
  6. Step 6: Final answer
    x = 1,231,668.21

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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.