Home / 998,616.86-1,497,988.34-422,132.64

Finding the Fourth Proportional to 998,616.86, 1,497,988.34 and 422,132.64

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Solution

The fourth proportional to 998,616.86, 1,497,988.34 and 422,132.64 is: 633,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,616.86 : 1,497,988.34 = 422,132.64 : x
  2. Step 2: Convert to fraction form
    998,616.86/1,497,988.34 = 422,132.64/x
  3. Step 3: Cross multiply
    998,616.86x = 1,497,988.34 × 422,132.64
  4. Step 4: Simplify right side
    998,616.86x = 632,349,766,508.30
  5. Step 5: Solve for x
    x = 632,349,766,508.30/998,616.86
  6. Step 6: Final answer
    x = 633,225.61

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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.