Home / 1,174,268.88-1,762,103.12-426,373.20

Finding the Fourth Proportional to 1,174,268.88, 1,762,103.12 and 426,373.20

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Solution

The fourth proportional to 1,174,268.88, 1,762,103.12 and 426,373.20 is: 639,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,268.88 : 1,762,103.12 = 426,373.20 : x
  2. Step 2: Convert to fraction form
    1,174,268.88/1,762,103.12 = 426,373.20/x
  3. Step 3: Cross multiply
    1,174,268.88x = 1,762,103.12 × 426,373.20
  4. Step 4: Simplify right side
    1,174,268.88x = 751,313,546,004.38
  5. Step 5: Solve for x
    x = 751,313,546,004.38/1,174,268.88
  6. Step 6: Final answer
    x = 639,813.90

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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.