Home / 1,190,023.74-1,642,187.92-646,147.77

Finding the Fourth Proportional to 1,190,023.74, 1,642,187.92 and 646,147.77

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Solution

The fourth proportional to 1,190,023.74, 1,642,187.92 and 646,147.77 is: 891,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,023.74 : 1,642,187.92 = 646,147.77 : x
  2. Step 2: Convert to fraction form
    1,190,023.74/1,642,187.92 = 646,147.77/x
  3. Step 3: Cross multiply
    1,190,023.74x = 1,642,187.92 × 646,147.77
  4. Step 4: Simplify right side
    1,190,023.74x = 1,061,096,059,198.20
  5. Step 5: Solve for x
    x = 1,061,096,059,198.20/1,190,023.74
  6. Step 6: Final answer
    x = 891,659.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.