Home / 1,255,361.46-1,732,390.59-682,401.64

Finding the Fourth Proportional to 1,255,361.46, 1,732,390.59 and 682,401.64

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Solution

The fourth proportional to 1,255,361.46, 1,732,390.59 and 682,401.64 is: 941,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,361.46 : 1,732,390.59 = 682,401.64 : x
  2. Step 2: Convert to fraction form
    1,255,361.46/1,732,390.59 = 682,401.64/x
  3. Step 3: Cross multiply
    1,255,361.46x = 1,732,390.59 × 682,401.64
  4. Step 4: Simplify right side
    1,255,361.46x = 1,182,186,172,501.97
  5. Step 5: Solve for x
    x = 1,182,186,172,501.97/1,255,361.46
  6. Step 6: Final answer
    x = 941,709.78

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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.