Home / 1,220.82-1,829.85-604.95

Finding the Fourth Proportional to 1,220.82, 1,829.85 and 604.95

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Solution

The fourth proportional to 1,220.82, 1,829.85 and 604.95 is: 906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220.82 : 1,829.85 = 604.95 : x
  2. Step 2: Convert to fraction form
    1,220.82/1,829.85 = 604.95/x
  3. Step 3: Cross multiply
    1,220.82x = 1,829.85 × 604.95
  4. Step 4: Simplify right side
    1,220.82x = 1,106,967.76
  5. Step 5: Solve for x
    x = 1,106,967.76/1,220.82
  6. Step 6: Final answer
    x = 906.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.