Home / 1,108,168.79-1,662,253.64-266,720.54

Finding the Fourth Proportional to 1,108,168.79, 1,662,253.64 and 266,720.54

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Solution

The fourth proportional to 1,108,168.79, 1,662,253.64 and 266,720.54 is: 400,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,168.79 : 1,662,253.64 = 266,720.54 : x
  2. Step 2: Convert to fraction form
    1,108,168.79/1,662,253.64 = 266,720.54/x
  3. Step 3: Cross multiply
    1,108,168.79x = 1,662,253.64 × 266,720.54
  4. Step 4: Simplify right side
    1,108,168.79x = 443,357,178,832.90
  5. Step 5: Solve for x
    x = 443,357,178,832.90/1,108,168.79
  6. Step 6: Final answer
    x = 400,080.91

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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.