Home / 1,007,519.42-1,511,869.62-722,903.24

Finding the Fourth Proportional to 1,007,519.42, 1,511,869.62 and 722,903.24

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Solution

The fourth proportional to 1,007,519.42, 1,511,869.62 and 722,903.24 is: 1,084,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,519.42 : 1,511,869.62 = 722,903.24 : x
  2. Step 2: Convert to fraction form
    1,007,519.42/1,511,869.62 = 722,903.24/x
  3. Step 3: Cross multiply
    1,007,519.42x = 1,511,869.62 × 722,903.24
  4. Step 4: Simplify right side
    1,007,519.42x = 1,092,935,439,196.22
  5. Step 5: Solve for x
    x = 1,092,935,439,196.22/1,007,519.42
  6. Step 6: Final answer
    x = 1,084,778.54

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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.