Home / 1,181,920.88-1,642,062.10-1,167,749.12

Finding the Fourth Proportional to 1,181,920.88, 1,642,062.10 and 1,167,749.12

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Solution

The fourth proportional to 1,181,920.88, 1,642,062.10 and 1,167,749.12 is: 1,622,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,920.88 : 1,642,062.10 = 1,167,749.12 : x
  2. Step 2: Convert to fraction form
    1,181,920.88/1,642,062.10 = 1,167,749.12/x
  3. Step 3: Cross multiply
    1,181,920.88x = 1,642,062.10 × 1,167,749.12
  4. Step 4: Simplify right side
    1,181,920.88x = 1,917,516,572,260.35
  5. Step 5: Solve for x
    x = 1,917,516,572,260.35/1,181,920.88
  6. Step 6: Final answer
    x = 1,622,373.04

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.