Home / 1,108,164.89-1,662,247.65-266,716.64

Finding the Fourth Proportional to 1,108,164.89, 1,662,247.65 and 266,716.64

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Solution

The fourth proportional to 1,108,164.89, 1,662,247.65 and 266,716.64 is: 400,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,164.89 : 1,662,247.65 = 266,716.64 : x
  2. Step 2: Convert to fraction form
    1,108,164.89/1,662,247.65 = 266,716.64/x
  3. Step 3: Cross multiply
    1,108,164.89x = 1,662,247.65 × 266,716.64
  4. Step 4: Simplify right side
    1,108,164.89x = 443,349,108,055.90
  5. Step 5: Solve for x
    x = 443,349,108,055.90/1,108,164.89
  6. Step 6: Final answer
    x = 400,075.04

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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.