Home / 1,388,310.30-2,081,481.30-630,514.80

Finding the Fourth Proportional to 1,388,310.30, 2,081,481.30 and 630,514.80

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Solution

The fourth proportional to 1,388,310.30, 2,081,481.30 and 630,514.80 is: 945,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,310.30 : 2,081,481.30 = 630,514.80 : x
  2. Step 2: Convert to fraction form
    1,388,310.30/2,081,481.30 = 630,514.80/x
  3. Step 3: Cross multiply
    1,388,310.30x = 2,081,481.30 × 630,514.80
  4. Step 4: Simplify right side
    1,388,310.30x = 1,312,404,765,573.24
  5. Step 5: Solve for x
    x = 1,312,404,765,573.24/1,388,310.30
  6. Step 6: Final answer
    x = 945,325.24

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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.