Home / 1,108,166.85-1,662,250.73-266,718.60

Finding the Fourth Proportional to 1,108,166.85, 1,662,250.73 and 266,718.60

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Solution

The fourth proportional to 1,108,166.85, 1,662,250.73 and 266,718.60 is: 400,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,166.85 : 1,662,250.73 = 266,718.60 : x
  2. Step 2: Convert to fraction form
    1,108,166.85/1,662,250.73 = 266,718.60/x
  3. Step 3: Cross multiply
    1,108,166.85x = 1,662,250.73 × 266,718.60
  4. Step 4: Simplify right side
    1,108,166.85x = 443,353,187,554.58
  5. Step 5: Solve for x
    x = 443,353,187,554.58/1,108,166.85
  6. Step 6: Final answer
    x = 400,078.01

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Double scale
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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.