Home / 1,178,350.91-1,768,301.37-646,245.60

Finding the Fourth Proportional to 1,178,350.91, 1,768,301.37 and 646,245.60

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Solution

The fourth proportional to 1,178,350.91, 1,768,301.37 and 646,245.60 is: 969,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,350.91 : 1,768,301.37 = 646,245.60 : x
  2. Step 2: Convert to fraction form
    1,178,350.91/1,768,301.37 = 646,245.60/x
  3. Step 3: Cross multiply
    1,178,350.91x = 1,768,301.37 × 646,245.60
  4. Step 4: Simplify right side
    1,178,350.91x = 1,142,756,979,836.47
  5. Step 5: Solve for x
    x = 1,142,756,979,836.47/1,178,350.91
  6. Step 6: Final answer
    x = 969,793.44

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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.