Home / 1,190.16-1,783.44-1,059.48

Finding the Fourth Proportional to 1,190.16, 1,783.44 and 1,059.48

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Solution

The fourth proportional to 1,190.16, 1,783.44 and 1,059.48 is: 1,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.16 : 1,783.44 = 1,059.48 : x
  2. Step 2: Convert to fraction form
    1,190.16/1,783.44 = 1,059.48/x
  3. Step 3: Cross multiply
    1,190.16x = 1,783.44 × 1,059.48
  4. Step 4: Simplify right side
    1,190.16x = 1,889,519.01
  5. Step 5: Solve for x
    x = 1,889,519.01/1,190.16
  6. Step 6: Final answer
    x = 1,587.62

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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.