Home / 1,074,132.54-1,611,198.81-511,461.18

Finding the Fourth Proportional to 1,074,132.54, 1,611,198.81 and 511,461.18

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Solution

The fourth proportional to 1,074,132.54, 1,611,198.81 and 511,461.18 is: 767,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,132.54 : 1,611,198.81 = 511,461.18 : x
  2. Step 2: Convert to fraction form
    1,074,132.54/1,611,198.81 = 511,461.18/x
  3. Step 3: Cross multiply
    1,074,132.54x = 1,611,198.81 × 511,461.18
  4. Step 4: Simplify right side
    1,074,132.54x = 824,065,644,577.20
  5. Step 5: Solve for x
    x = 824,065,644,577.20/1,074,132.54
  6. Step 6: Final answer
    x = 767,191.77

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Double scale
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Similar ratio
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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.