Home / 1,442,416.63-1,990,401.37-797,822.95

Finding the Fourth Proportional to 1,442,416.63, 1,990,401.37 and 797,822.95

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Solution

The fourth proportional to 1,442,416.63, 1,990,401.37 and 797,822.95 is: 1,100,921.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,416.63 : 1,990,401.37 = 797,822.95 : x
  2. Step 2: Convert to fraction form
    1,442,416.63/1,990,401.37 = 797,822.95/x
  3. Step 3: Cross multiply
    1,442,416.63x = 1,990,401.37 × 797,822.95
  4. Step 4: Simplify right side
    1,442,416.63x = 1,587,987,892,697.44
  5. Step 5: Solve for x
    x = 1,587,987,892,697.44/1,442,416.63
  6. Step 6: Final answer
    x = 1,100,921.79

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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.