Home / 1,131,247.80-1,696,871.70-499,836.60

Finding the Fourth Proportional to 1,131,247.80, 1,696,871.70 and 499,836.60

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Solution

The fourth proportional to 1,131,247.80, 1,696,871.70 and 499,836.60 is: 749,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,247.80 : 1,696,871.70 = 499,836.60 : x
  2. Step 2: Convert to fraction form
    1,131,247.80/1,696,871.70 = 499,836.60/x
  3. Step 3: Cross multiply
    1,131,247.80x = 1,696,871.70 × 499,836.60
  4. Step 4: Simplify right side
    1,131,247.80x = 848,158,581,164.22
  5. Step 5: Solve for x
    x = 848,158,581,164.22/1,131,247.80
  6. Step 6: Final answer
    x = 749,754.90

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Double scale
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Similar ratio
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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.