Home / 1,613,336.40-2,420,004.60-1,081,112.40

Finding the Fourth Proportional to 1,613,336.40, 2,420,004.60 and 1,081,112.40

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Solution

The fourth proportional to 1,613,336.40, 2,420,004.60 and 1,081,112.40 is: 1,621,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,336.40 : 2,420,004.60 = 1,081,112.40 : x
  2. Step 2: Convert to fraction form
    1,613,336.40/2,420,004.60 = 1,081,112.40/x
  3. Step 3: Cross multiply
    1,613,336.40x = 2,420,004.60 × 1,081,112.40
  4. Step 4: Simplify right side
    1,613,336.40x = 2,616,296,981,117.04
  5. Step 5: Solve for x
    x = 2,616,296,981,117.04/1,613,336.40
  6. Step 6: Final answer
    x = 1,621,668.60

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Similar ratio
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1.5x scale

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.