Home / 1,112.70-1,669.06-1,044.30

Finding the Fourth Proportional to 1,112.70, 1,669.06 and 1,044.30

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Solution

The fourth proportional to 1,112.70, 1,669.06 and 1,044.30 is: 1,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.70 : 1,669.06 = 1,044.30 : x
  2. Step 2: Convert to fraction form
    1,112.70/1,669.06 = 1,044.30/x
  3. Step 3: Cross multiply
    1,112.70x = 1,669.06 × 1,044.30
  4. Step 4: Simplify right side
    1,112.70x = 1,742,999.36
  5. Step 5: Solve for x
    x = 1,742,999.36/1,112.70
  6. Step 6: Final answer
    x = 1,566.46

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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.