Home / 1,131,201.80-1,696,802.70-499,790.60

Finding the Fourth Proportional to 1,131,201.80, 1,696,802.70 and 499,790.60

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Solution

The fourth proportional to 1,131,201.80, 1,696,802.70 and 499,790.60 is: 749,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,201.80 : 1,696,802.70 = 499,790.60 : x
  2. Step 2: Convert to fraction form
    1,131,201.80/1,696,802.70 = 499,790.60/x
  3. Step 3: Cross multiply
    1,131,201.80x = 1,696,802.70 × 499,790.60
  4. Step 4: Simplify right side
    1,131,201.80x = 848,046,039,514.62
  5. Step 5: Solve for x
    x = 848,046,039,514.62/1,131,201.80
  6. Step 6: Final answer
    x = 749,685.90

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Double scale
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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.