Home / 1,056.11-1,583.06-440.17

Finding the Fourth Proportional to 1,056.11, 1,583.06 and 440.17

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Solution

The fourth proportional to 1,056.11, 1,583.06 and 440.17 is: 659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.11 : 1,583.06 = 440.17 : x
  2. Step 2: Convert to fraction form
    1,056.11/1,583.06 = 440.17/x
  3. Step 3: Cross multiply
    1,056.11x = 1,583.06 × 440.17
  4. Step 4: Simplify right side
    1,056.11x = 696,809.36
  5. Step 5: Solve for x
    x = 696,809.36/1,056.11
  6. Step 6: Final answer
    x = 659.79

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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.