Home / 1,108,134.66-1,662,202.30-266,686.40

Finding the Fourth Proportional to 1,108,134.66, 1,662,202.30 and 266,686.40

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Solution

The fourth proportional to 1,108,134.66, 1,662,202.30 and 266,686.40 is: 400,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,134.66 : 1,662,202.30 = 266,686.40 : x
  2. Step 2: Convert to fraction form
    1,108,134.66/1,662,202.30 = 266,686.40/x
  3. Step 3: Cross multiply
    1,108,134.66x = 1,662,202.30 × 266,686.40
  4. Step 4: Simplify right side
    1,108,134.66x = 443,286,747,458.72
  5. Step 5: Solve for x
    x = 443,286,747,458.72/1,108,134.66
  6. Step 6: Final answer
    x = 400,029.67

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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.