Home / 1,069.87-1,596.08-1,042.74

Finding the Fourth Proportional to 1,069.87, 1,596.08 and 1,042.74

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Solution

The fourth proportional to 1,069.87, 1,596.08 and 1,042.74 is: 1,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069.87 : 1,596.08 = 1,042.74 : x
  2. Step 2: Convert to fraction form
    1,069.87/1,596.08 = 1,042.74/x
  3. Step 3: Cross multiply
    1,069.87x = 1,596.08 × 1,042.74
  4. Step 4: Simplify right side
    1,069.87x = 1,664,296.46
  5. Step 5: Solve for x
    x = 1,664,296.46/1,069.87
  6. Step 6: Final answer
    x = 1,555.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.