Home / 1,515,468.53-2,091,336.29-836,405.03

Finding the Fourth Proportional to 1,515,468.53, 2,091,336.29 and 836,405.03

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Solution

The fourth proportional to 1,515,468.53, 2,091,336.29 and 836,405.03 is: 1,154,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,468.53 : 2,091,336.29 = 836,405.03 : x
  2. Step 2: Convert to fraction form
    1,515,468.53/2,091,336.29 = 836,405.03/x
  3. Step 3: Cross multiply
    1,515,468.53x = 2,091,336.29 × 836,405.03
  4. Step 4: Simplify right side
    1,515,468.53x = 1,749,204,192,377.54
  5. Step 5: Solve for x
    x = 1,749,204,192,377.54/1,515,468.53
  6. Step 6: Final answer
    x = 1,154,233.27

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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.