Home / 1,203,742.20-1,805,613.30-494,279.40

Finding the Fourth Proportional to 1,203,742.20, 1,805,613.30 and 494,279.40

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Solution

The fourth proportional to 1,203,742.20, 1,805,613.30 and 494,279.40 is: 741,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,742.20 : 1,805,613.30 = 494,279.40 : x
  2. Step 2: Convert to fraction form
    1,203,742.20/1,805,613.30 = 494,279.40/x
  3. Step 3: Cross multiply
    1,203,742.20x = 1,805,613.30 × 494,279.40
  4. Step 4: Simplify right side
    1,203,742.20x = 892,477,458,556.02
  5. Step 5: Solve for x
    x = 892,477,458,556.02/1,203,742.20
  6. Step 6: Final answer
    x = 741,419.10

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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.