Home / 1,074,119.38-1,611,178.95-511,448.02

Finding the Fourth Proportional to 1,074,119.38, 1,611,178.95 and 511,448.02

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Solution

The fourth proportional to 1,074,119.38, 1,611,178.95 and 511,448.02 is: 767,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,119.38 : 1,611,178.95 = 511,448.02 : x
  2. Step 2: Convert to fraction form
    1,074,119.38/1,611,178.95 = 511,448.02/x
  3. Step 3: Cross multiply
    1,074,119.38x = 1,611,178.95 × 511,448.02
  4. Step 4: Simplify right side
    1,074,119.38x = 824,034,283,843.18
  5. Step 5: Solve for x
    x = 824,034,283,843.18/1,074,119.38
  6. Step 6: Final answer
    x = 767,171.97

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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.