Home / 1,253,020.42-1,729,124.31-680,049.10

Finding the Fourth Proportional to 1,253,020.42, 1,729,124.31 and 680,049.10

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Solution

The fourth proportional to 1,253,020.42, 1,729,124.31 and 680,049.10 is: 938,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,020.42 : 1,729,124.31 = 680,049.10 : x
  2. Step 2: Convert to fraction form
    1,253,020.42/1,729,124.31 = 680,049.10/x
  3. Step 3: Cross multiply
    1,253,020.42x = 1,729,124.31 × 680,049.10
  4. Step 4: Simplify right side
    1,253,020.42x = 1,175,889,430,803.62
  5. Step 5: Solve for x
    x = 1,175,889,430,803.62/1,253,020.42
  6. Step 6: Final answer
    x = 938,443.95

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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.