Home / 1,110.46-1,666.59-562.79

Finding the Fourth Proportional to 1,110.46, 1,666.59 and 562.79

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Solution

The fourth proportional to 1,110.46, 1,666.59 and 562.79 is: 844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.46 : 1,666.59 = 562.79 : x
  2. Step 2: Convert to fraction form
    1,110.46/1,666.59 = 562.79/x
  3. Step 3: Cross multiply
    1,110.46x = 1,666.59 × 562.79
  4. Step 4: Simplify right side
    1,110.46x = 937,937.37
  5. Step 5: Solve for x
    x = 937,937.37/1,110.46
  6. Step 6: Final answer
    x = 844.64

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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.