Home / 1,028,706.80-1,419,638.25-587,172.46

Finding the Fourth Proportional to 1,028,706.80, 1,419,638.25 and 587,172.46

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Solution

The fourth proportional to 1,028,706.80, 1,419,638.25 and 587,172.46 is: 810,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,706.80 : 1,419,638.25 = 587,172.46 : x
  2. Step 2: Convert to fraction form
    1,028,706.80/1,419,638.25 = 587,172.46/x
  3. Step 3: Cross multiply
    1,028,706.80x = 1,419,638.25 × 587,172.46
  4. Step 4: Simplify right side
    1,028,706.80x = 833,572,481,574.37
  5. Step 5: Solve for x
    x = 833,572,481,574.37/1,028,706.80
  6. Step 6: Final answer
    x = 810,311.04

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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.