Home / 1,074,113.88-1,611,170.70-511,442.52

Finding the Fourth Proportional to 1,074,113.88, 1,611,170.70 and 511,442.52

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Solution

The fourth proportional to 1,074,113.88, 1,611,170.70 and 511,442.52 is: 767,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,113.88 : 1,611,170.70 = 511,442.52 : x
  2. Step 2: Convert to fraction form
    1,074,113.88/1,611,170.70 = 511,442.52/x
  3. Step 3: Cross multiply
    1,074,113.88x = 1,611,170.70 × 511,442.52
  4. Step 4: Simplify right side
    1,074,113.88x = 824,021,202,958.16
  5. Step 5: Solve for x
    x = 824,021,202,958.16/1,074,113.88
  6. Step 6: Final answer
    x = 767,163.72

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Double scale
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1.5x scale

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.