Home / 1,412,613.92-1,949,486.87-768,020.24

Finding the Fourth Proportional to 1,412,613.92, 1,949,486.87 and 768,020.24

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Solution

The fourth proportional to 1,412,613.92, 1,949,486.87 and 768,020.24 is: 1,059,911.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,613.92 : 1,949,486.87 = 768,020.24 : x
  2. Step 2: Convert to fraction form
    1,412,613.92/1,949,486.87 = 768,020.24/x
  3. Step 3: Cross multiply
    1,412,613.92x = 1,949,486.87 × 768,020.24
  4. Step 4: Simplify right side
    1,412,613.92x = 1,497,245,373,774.25
  5. Step 5: Solve for x
    x = 1,497,245,373,774.25/1,412,613.92
  6. Step 6: Final answer
    x = 1,059,911.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.