Home / 1,059.20-1,460.80-848.96

Finding the Fourth Proportional to 1,059.20, 1,460.80 and 848.96

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Solution

The fourth proportional to 1,059.20, 1,460.80 and 848.96 is: 1,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.20 : 1,460.80 = 848.96 : x
  2. Step 2: Convert to fraction form
    1,059.20/1,460.80 = 848.96/x
  3. Step 3: Cross multiply
    1,059.20x = 1,460.80 × 848.96
  4. Step 4: Simplify right side
    1,059.20x = 1,240,160.77
  5. Step 5: Solve for x
    x = 1,240,160.77/1,059.20
  6. Step 6: Final answer
    x = 1,170.85

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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.