Home / 1,007,520.42-1,511,871.12-722,904.24

Finding the Fourth Proportional to 1,007,520.42, 1,511,871.12 and 722,904.24

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Solution

The fourth proportional to 1,007,520.42, 1,511,871.12 and 722,904.24 is: 1,084,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,520.42 : 1,511,871.12 = 722,904.24 : x
  2. Step 2: Convert to fraction form
    1,007,520.42/1,511,871.12 = 722,904.24/x
  3. Step 3: Cross multiply
    1,007,520.42x = 1,511,871.12 × 722,904.24
  4. Step 4: Simplify right side
    1,007,520.42x = 1,092,938,042,981.55
  5. Step 5: Solve for x
    x = 1,092,938,042,981.55/1,007,520.42
  6. Step 6: Final answer
    x = 1,084,780.04

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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.