Home / 1,036,611.23-1,431,252.90-727,171.70

Finding the Fourth Proportional to 1,036,611.23, 1,431,252.90 and 727,171.70

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Solution

The fourth proportional to 1,036,611.23, 1,431,252.90 and 727,171.70 is: 1,004,008.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,611.23 : 1,431,252.90 = 727,171.70 : x
  2. Step 2: Convert to fraction form
    1,036,611.23/1,431,252.90 = 727,171.70/x
  3. Step 3: Cross multiply
    1,036,611.23x = 1,431,252.90 × 727,171.70
  4. Step 4: Simplify right side
    1,036,611.23x = 1,040,766,597,266.67
  5. Step 5: Solve for x
    x = 1,040,766,597,266.67/1,036,611.23
  6. Step 6: Final answer
    x = 1,004,008.61

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1.5x scale

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.