Home / 1,050.30-1,572.24-788.76

Finding the Fourth Proportional to 1,050.30, 1,572.24 and 788.76

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Solution

The fourth proportional to 1,050.30, 1,572.24 and 788.76 is: 1,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.30 : 1,572.24 = 788.76 : x
  2. Step 2: Convert to fraction form
    1,050.30/1,572.24 = 788.76/x
  3. Step 3: Cross multiply
    1,050.30x = 1,572.24 × 788.76
  4. Step 4: Simplify right side
    1,050.30x = 1,240,120.02
  5. Step 5: Solve for x
    x = 1,240,120.02/1,050.30
  6. Step 6: Final answer
    x = 1,180.73

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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.