Home / 1,331,187.03-1,990,851.35-1,182,393.27

Finding the Fourth Proportional to 1,331,187.03, 1,990,851.35 and 1,182,393.27

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Solution

The fourth proportional to 1,331,187.03, 1,990,851.35 and 1,182,393.27 is: 1,768,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,187.03 : 1,990,851.35 = 1,182,393.27 : x
  2. Step 2: Convert to fraction form
    1,331,187.03/1,990,851.35 = 1,182,393.27/x
  3. Step 3: Cross multiply
    1,331,187.03x = 1,990,851.35 × 1,182,393.27
  4. Step 4: Simplify right side
    1,331,187.03x = 2,353,969,231,898.45
  5. Step 5: Solve for x
    x = 2,353,969,231,898.45/1,331,187.03
  6. Step 6: Final answer
    x = 1,768,323.44

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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.