Home / 1,108,142.64-1,662,214.32-266,694.39

Finding the Fourth Proportional to 1,108,142.64, 1,662,214.32 and 266,694.39

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Solution

The fourth proportional to 1,108,142.64, 1,662,214.32 and 266,694.39 is: 400,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,142.64 : 1,662,214.32 = 266,694.39 : x
  2. Step 2: Convert to fraction form
    1,108,142.64/1,662,214.32 = 266,694.39/x
  3. Step 3: Cross multiply
    1,108,142.64x = 1,662,214.32 × 266,694.39
  4. Step 4: Simplify right side
    1,108,142.64x = 443,303,234,121.67
  5. Step 5: Solve for x
    x = 443,303,234,121.67/1,108,142.64
  6. Step 6: Final answer
    x = 400,041.67

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Double scale
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Similar ratio
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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.