Home / 1,198,546.80-1,798,511.40-451,129.20

Finding the Fourth Proportional to 1,198,546.80, 1,798,511.40 and 451,129.20

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Solution

The fourth proportional to 1,198,546.80, 1,798,511.40 and 451,129.20 is: 676,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,546.80 : 1,798,511.40 = 451,129.20 : x
  2. Step 2: Convert to fraction form
    1,198,546.80/1,798,511.40 = 451,129.20/x
  3. Step 3: Cross multiply
    1,198,546.80x = 1,798,511.40 × 451,129.20
  4. Step 4: Simplify right side
    1,198,546.80x = 811,361,009,072.88
  5. Step 5: Solve for x
    x = 811,361,009,072.88/1,198,546.80
  6. Step 6: Final answer
    x = 676,953.97

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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.