Home / 1,255,522.28-1,732,640.46-682,564.64

Finding the Fourth Proportional to 1,255,522.28, 1,732,640.46 and 682,564.64

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Solution

The fourth proportional to 1,255,522.28, 1,732,640.46 and 682,564.64 is: 941,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,522.28 : 1,732,640.46 = 682,564.64 : x
  2. Step 2: Convert to fraction form
    1,255,522.28/1,732,640.46 = 682,564.64/x
  3. Step 3: Cross multiply
    1,255,522.28x = 1,732,640.46 × 682,564.64
  4. Step 4: Simplify right side
    1,255,522.28x = 1,182,639,111,829.33
  5. Step 5: Solve for x
    x = 1,182,639,111,829.33/1,255,522.28
  6. Step 6: Final answer
    x = 941,949.92

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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.