Home / 1,199,843.64-1,799,858.34-401,128.14

Finding the Fourth Proportional to 1,199,843.64, 1,799,858.34 and 401,128.14

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Solution

The fourth proportional to 1,199,843.64, 1,799,858.34 and 401,128.14 is: 601,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,843.64 : 1,799,858.34 = 401,128.14 : x
  2. Step 2: Convert to fraction form
    1,199,843.64/1,799,858.34 = 401,128.14/x
  3. Step 3: Cross multiply
    1,199,843.64x = 1,799,858.34 × 401,128.14
  4. Step 4: Simplify right side
    1,199,843.64x = 721,973,828,187.69
  5. Step 5: Solve for x
    x = 721,973,828,187.69/1,199,843.64
  6. Step 6: Final answer
    x = 601,723.26

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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.