Home / 1,029,658.86-1,419,354.06-722,874.60

Finding the Fourth Proportional to 1,029,658.86, 1,419,354.06 and 722,874.60

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Solution

The fourth proportional to 1,029,658.86, 1,419,354.06 and 722,874.60 is: 996,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,658.86 : 1,419,354.06 = 722,874.60 : x
  2. Step 2: Convert to fraction form
    1,029,658.86/1,419,354.06 = 722,874.60/x
  3. Step 3: Cross multiply
    1,029,658.86x = 1,419,354.06 × 722,874.60
  4. Step 4: Simplify right side
    1,029,658.86x = 1,026,014,998,380.88
  5. Step 5: Solve for x
    x = 1,026,014,998,380.88/1,029,658.86
  6. Step 6: Final answer
    x = 996,461.10

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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.