Home / 683,287.20-1,024,930.80-672,789.60

Finding the Fourth Proportional to 683,287.20, 1,024,930.80 and 672,789.60

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Solution

The fourth proportional to 683,287.20, 1,024,930.80 and 672,789.60 is: 1,009,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,287.20 : 1,024,930.80 = 672,789.60 : x
  2. Step 2: Convert to fraction form
    683,287.20/1,024,930.80 = 672,789.60/x
  3. Step 3: Cross multiply
    683,287.20x = 1,024,930.80 × 672,789.60
  4. Step 4: Simplify right side
    683,287.20x = 689,562,782,959.68
  5. Step 5: Solve for x
    x = 689,562,782,959.68/683,287.20
  6. Step 6: Final answer
    x = 1,009,184.40

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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.