Home / 931,540.20-1,395,236.70-807,124.20

Finding the Fourth Proportional to 931,540.20, 1,395,236.70 and 807,124.20

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Solution

The fourth proportional to 931,540.20, 1,395,236.70 and 807,124.20 is: 1,208,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,540.20 : 1,395,236.70 = 807,124.20 : x
  2. Step 2: Convert to fraction form
    931,540.20/1,395,236.70 = 807,124.20/x
  3. Step 3: Cross multiply
    931,540.20x = 1,395,236.70 × 807,124.20
  4. Step 4: Simplify right side
    931,540.20x = 1,126,129,305,298.14
  5. Step 5: Solve for x
    x = 1,126,129,305,298.14/931,540.20
  6. Step 6: Final answer
    x = 1,208,889.65

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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.