Home / 1,074,145.56-1,611,217.80-511,474.20

Finding the Fourth Proportional to 1,074,145.56, 1,611,217.80 and 511,474.20

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Solution

The fourth proportional to 1,074,145.56, 1,611,217.80 and 511,474.20 is: 767,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,145.56 : 1,611,217.80 = 511,474.20 : x
  2. Step 2: Convert to fraction form
    1,074,145.56/1,611,217.80 = 511,474.20/x
  3. Step 3: Cross multiply
    1,074,145.56x = 1,611,217.80 × 511,474.20
  4. Step 4: Simplify right side
    1,074,145.56x = 824,096,335,280.76
  5. Step 5: Solve for x
    x = 824,096,335,280.76/1,074,145.56
  6. Step 6: Final answer
    x = 767,211.04

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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.