Home / 1,268,031.28-1,902,296-469,319.76

Finding the Fourth Proportional to 1,268,031.28, 1,902,296 and 469,319.76

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Solution

The fourth proportional to 1,268,031.28, 1,902,296 and 469,319.76 is: 704,071.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,031.28 : 1,902,296 = 469,319.76 : x
  2. Step 2: Convert to fraction form
    1,268,031.28/1,902,296 = 469,319.76/x
  3. Step 3: Cross multiply
    1,268,031.28x = 1,902,296 × 469,319.76
  4. Step 4: Simplify right side
    1,268,031.28x = 892,785,102,168.96
  5. Step 5: Solve for x
    x = 892,785,102,168.96/1,268,031.28
  6. Step 6: Final answer
    x = 704,071.83

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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.