Home / 1,325,878.88-1,829,712.85-722,266.88

Finding the Fourth Proportional to 1,325,878.88, 1,829,712.85 and 722,266.88

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Solution

The fourth proportional to 1,325,878.88, 1,829,712.85 and 722,266.88 is: 996,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,878.88 : 1,829,712.85 = 722,266.88 : x
  2. Step 2: Convert to fraction form
    1,325,878.88/1,829,712.85 = 722,266.88/x
  3. Step 3: Cross multiply
    1,325,878.88x = 1,829,712.85 × 722,266.88
  4. Step 4: Simplify right side
    1,325,878.88x = 1,321,540,980,511.18
  5. Step 5: Solve for x
    x = 1,321,540,980,511.18/1,325,878.88
  6. Step 6: Final answer
    x = 996,728.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.