Home / 1,262,324.20-1,893,495.90-420,874.60

Finding the Fourth Proportional to 1,262,324.20, 1,893,495.90 and 420,874.60

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Solution

The fourth proportional to 1,262,324.20, 1,893,495.90 and 420,874.60 is: 631,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,324.20 : 1,893,495.90 = 420,874.60 : x
  2. Step 2: Convert to fraction form
    1,262,324.20/1,893,495.90 = 420,874.60/x
  3. Step 3: Cross multiply
    1,262,324.20x = 1,893,495.90 × 420,874.60
  4. Step 4: Simplify right side
    1,262,324.20x = 796,924,329,514.14
  5. Step 5: Solve for x
    x = 796,924,329,514.14/1,262,324.20
  6. Step 6: Final answer
    x = 631,315.10

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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.