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Finding the Fourth Proportional to 1,194.10, 1,790.07 and 1,064.50

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Solution

The fourth proportional to 1,194.10, 1,790.07 and 1,064.50 is: 1,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.10 : 1,790.07 = 1,064.50 : x
  2. Step 2: Convert to fraction form
    1,194.10/1,790.07 = 1,064.50/x
  3. Step 3: Cross multiply
    1,194.10x = 1,790.07 × 1,064.50
  4. Step 4: Simplify right side
    1,194.10x = 1,905,529.52
  5. Step 5: Solve for x
    x = 1,905,529.52/1,194.10
  6. Step 6: Final answer
    x = 1,595.79

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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.