Home / 1,007,518.49-1,511,868.21-722,902.31

Finding the Fourth Proportional to 1,007,518.49, 1,511,868.21 and 722,902.31

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Solution

The fourth proportional to 1,007,518.49, 1,511,868.21 and 722,902.31 is: 1,084,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,518.49 : 1,511,868.21 = 722,902.31 : x
  2. Step 2: Convert to fraction form
    1,007,518.49/1,511,868.21 = 722,902.31/x
  3. Step 3: Cross multiply
    1,007,518.49x = 1,511,868.21 × 722,902.31
  4. Step 4: Simplify right side
    1,007,518.49x = 1,092,933,013,865.22
  5. Step 5: Solve for x
    x = 1,092,933,013,865.22/1,007,518.49
  6. Step 6: Final answer
    x = 1,084,777.13

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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.