Home / 1,255,730.14-1,732,859.85-682,770.78

Finding the Fourth Proportional to 1,255,730.14, 1,732,859.85 and 682,770.78

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Solution

The fourth proportional to 1,255,730.14, 1,732,859.85 and 682,770.78 is: 942,197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,730.14 : 1,732,859.85 = 682,770.78 : x
  2. Step 2: Convert to fraction form
    1,255,730.14/1,732,859.85 = 682,770.78/x
  3. Step 3: Cross multiply
    1,255,730.14x = 1,732,859.85 × 682,770.78
  4. Step 4: Simplify right side
    1,255,730.14x = 1,183,146,071,415.18
  5. Step 5: Solve for x
    x = 1,183,146,071,415.18/1,255,730.14
  6. Step 6: Final answer
    x = 942,197.72

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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.