Home / 1,101,129.12-1,650,578.40-746,179.20

Finding the Fourth Proportional to 1,101,129.12, 1,650,578.40 and 746,179.20

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Solution

The fourth proportional to 1,101,129.12, 1,650,578.40 and 746,179.20 is: 1,118,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,129.12 : 1,650,578.40 = 746,179.20 : x
  2. Step 2: Convert to fraction form
    1,101,129.12/1,650,578.40 = 746,179.20/x
  3. Step 3: Cross multiply
    1,101,129.12x = 1,650,578.40 × 746,179.20
  4. Step 4: Simplify right side
    1,101,129.12x = 1,231,627,270,049.28
  5. Step 5: Solve for x
    x = 1,231,627,270,049.28/1,101,129.12
  6. Step 6: Final answer
    x = 1,118,513.03

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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.