Home / 1,442,241.24-1,990,120.30-797,573.88

Finding the Fourth Proportional to 1,442,241.24, 1,990,120.30 and 797,573.88

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Solution

The fourth proportional to 1,442,241.24, 1,990,120.30 and 797,573.88 is: 1,100,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,241.24 : 1,990,120.30 = 797,573.88 : x
  2. Step 2: Convert to fraction form
    1,442,241.24/1,990,120.30 = 797,573.88/x
  3. Step 3: Cross multiply
    1,442,241.24x = 1,990,120.30 × 797,573.88
  4. Step 4: Simplify right side
    1,442,241.24x = 1,587,267,969,337.76
  5. Step 5: Solve for x
    x = 1,587,267,969,337.76/1,442,241.24
  6. Step 6: Final answer
    x = 1,100,556.50

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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.