Home / 1,108,172.92-1,662,259.82-266,724.66

Finding the Fourth Proportional to 1,108,172.92, 1,662,259.82 and 266,724.66

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Solution

The fourth proportional to 1,108,172.92, 1,662,259.82 and 266,724.66 is: 400,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,172.92 : 1,662,259.82 = 266,724.66 : x
  2. Step 2: Convert to fraction form
    1,108,172.92/1,662,259.82 = 266,724.66/x
  3. Step 3: Cross multiply
    1,108,172.92x = 1,662,259.82 × 266,724.66
  4. Step 4: Simplify right side
    1,108,172.92x = 443,365,685,321.16
  5. Step 5: Solve for x
    x = 443,365,685,321.16/1,108,172.92
  6. Step 6: Final answer
    x = 400,087.10

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1.5x scale

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.