Home / 1,690,469.46-2,536,117.29-492,372.54

Finding the Fourth Proportional to 1,690,469.46, 2,536,117.29 and 492,372.54

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Solution

The fourth proportional to 1,690,469.46, 2,536,117.29 and 492,372.54 is: 738,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,469.46 : 2,536,117.29 = 492,372.54 : x
  2. Step 2: Convert to fraction form
    1,690,469.46/2,536,117.29 = 492,372.54/x
  3. Step 3: Cross multiply
    1,690,469.46x = 2,536,117.29 × 492,372.54
  4. Step 4: Simplify right side
    1,690,469.46x = 1,248,714,511,815.22
  5. Step 5: Solve for x
    x = 1,248,714,511,815.22/1,690,469.46
  6. Step 6: Final answer
    x = 738,679.13

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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.