Home / 1,108,046.20-1,661,583.30-508,808.20

Finding the Fourth Proportional to 1,108,046.20, 1,661,583.30 and 508,808.20

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Solution

The fourth proportional to 1,108,046.20, 1,661,583.30 and 508,808.20 is: 762,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,046.20 : 1,661,583.30 = 508,808.20 : x
  2. Step 2: Convert to fraction form
    1,108,046.20/1,661,583.30 = 508,808.20/x
  3. Step 3: Cross multiply
    1,108,046.20x = 1,661,583.30 × 508,808.20
  4. Step 4: Simplify right side
    1,108,046.20x = 845,427,208,023.06
  5. Step 5: Solve for x
    x = 845,427,208,023.06/1,108,046.20
  6. Step 6: Final answer
    x = 762,989.13

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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.