Home / 1,271.32-1,906.54-604.14

Finding the Fourth Proportional to 1,271.32, 1,906.54 and 604.14

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Solution

The fourth proportional to 1,271.32, 1,906.54 and 604.14 is: 906.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271.32 : 1,906.54 = 604.14 : x
  2. Step 2: Convert to fraction form
    1,271.32/1,906.54 = 604.14/x
  3. Step 3: Cross multiply
    1,271.32x = 1,906.54 × 604.14
  4. Step 4: Simplify right side
    1,271.32x = 1,151,815.57
  5. Step 5: Solve for x
    x = 1,151,815.57/1,271.32
  6. Step 6: Final answer
    x = 906.00

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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.