Home / 1,126.46-1,554.34-629.08

Finding the Fourth Proportional to 1,126.46, 1,554.34 and 629.08

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Solution

The fourth proportional to 1,126.46, 1,554.34 and 629.08 is: 868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126.46 : 1,554.34 = 629.08 : x
  2. Step 2: Convert to fraction form
    1,126.46/1,554.34 = 629.08/x
  3. Step 3: Cross multiply
    1,126.46x = 1,554.34 × 629.08
  4. Step 4: Simplify right side
    1,126.46x = 977,804.21
  5. Step 5: Solve for x
    x = 977,804.21/1,126.46
  6. Step 6: Final answer
    x = 868.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.