Home / 1,508,449.60-2,081,696.08-820,160.80

Finding the Fourth Proportional to 1,508,449.60, 2,081,696.08 and 820,160.80

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Solution

The fourth proportional to 1,508,449.60, 2,081,696.08 and 820,160.80 is: 1,131,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,449.60 : 2,081,696.08 = 820,160.80 : x
  2. Step 2: Convert to fraction form
    1,508,449.60/2,081,696.08 = 820,160.80/x
  3. Step 3: Cross multiply
    1,508,449.60x = 2,081,696.08 × 820,160.80
  4. Step 4: Simplify right side
    1,508,449.60x = 1,707,325,522,329.66
  5. Step 5: Solve for x
    x = 1,707,325,522,329.66/1,508,449.60
  6. Step 6: Final answer
    x = 1,131,841.28

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Double scale
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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.