Home / 1,146.19-1,716.26-623.74

Finding the Fourth Proportional to 1,146.19, 1,716.26 and 623.74

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Solution

The fourth proportional to 1,146.19, 1,716.26 and 623.74 is: 933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.19 : 1,716.26 = 623.74 : x
  2. Step 2: Convert to fraction form
    1,146.19/1,716.26 = 623.74/x
  3. Step 3: Cross multiply
    1,146.19x = 1,716.26 × 623.74
  4. Step 4: Simplify right side
    1,146.19x = 1,070,500.01
  5. Step 5: Solve for x
    x = 1,070,500.01/1,146.19
  6. Step 6: Final answer
    x = 933.96

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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.