Home / 1,168,858.60-1,753,287.90-979,901.80

Finding the Fourth Proportional to 1,168,858.60, 1,753,287.90 and 979,901.80

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Solution

The fourth proportional to 1,168,858.60, 1,753,287.90 and 979,901.80 is: 1,469,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,858.60 : 1,753,287.90 = 979,901.80 : x
  2. Step 2: Convert to fraction form
    1,168,858.60/1,753,287.90 = 979,901.80/x
  3. Step 3: Cross multiply
    1,168,858.60x = 1,753,287.90 × 979,901.80
  4. Step 4: Simplify right side
    1,168,858.60x = 1,718,049,969,128.22
  5. Step 5: Solve for x
    x = 1,718,049,969,128.22/1,168,858.60
  6. Step 6: Final answer
    x = 1,469,852.70

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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.