Home / 1,119,481.94-1,679,389.78-361,074.08

Finding the Fourth Proportional to 1,119,481.94, 1,679,389.78 and 361,074.08

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Solution

The fourth proportional to 1,119,481.94, 1,679,389.78 and 361,074.08 is: 541,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,481.94 : 1,679,389.78 = 361,074.08 : x
  2. Step 2: Convert to fraction form
    1,119,481.94/1,679,389.78 = 361,074.08/x
  3. Step 3: Cross multiply
    1,119,481.94x = 1,679,389.78 × 361,074.08
  4. Step 4: Simplify right side
    1,119,481.94x = 606,384,119,774.90
  5. Step 5: Solve for x
    x = 606,384,119,774.90/1,119,481.94
  6. Step 6: Final answer
    x = 541,664.94

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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.