Home / 1,007,515.49-1,511,863.71-722,899.31

Finding the Fourth Proportional to 1,007,515.49, 1,511,863.71 and 722,899.31

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Solution

The fourth proportional to 1,007,515.49, 1,511,863.71 and 722,899.31 is: 1,084,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,515.49 : 1,511,863.71 = 722,899.31 : x
  2. Step 2: Convert to fraction form
    1,007,515.49/1,511,863.71 = 722,899.31/x
  3. Step 3: Cross multiply
    1,007,515.49x = 1,511,863.71 × 722,899.31
  4. Step 4: Simplify right side
    1,007,515.49x = 1,092,925,225,213.72
  5. Step 5: Solve for x
    x = 1,092,925,225,213.72/1,007,515.49
  6. Step 6: Final answer
    x = 1,084,772.63

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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.