Home / 859,891.40-1,183,939.60-780,175.24

Finding the Fourth Proportional to 859,891.40, 1,183,939.60 and 780,175.24

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Solution

The fourth proportional to 859,891.40, 1,183,939.60 and 780,175.24 is: 1,074,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,891.40 : 1,183,939.60 = 780,175.24 : x
  2. Step 2: Convert to fraction form
    859,891.40/1,183,939.60 = 780,175.24/x
  3. Step 3: Cross multiply
    859,891.40x = 1,183,939.60 × 780,175.24
  4. Step 4: Simplify right side
    859,891.40x = 923,680,361,575.50
  5. Step 5: Solve for x
    x = 923,680,361,575.50/859,891.40
  6. Step 6: Final answer
    x = 1,074,182.58

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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.