Home / 1,272,222.50-1,755,644.40-699,262.52

Finding the Fourth Proportional to 1,272,222.50, 1,755,644.40 and 699,262.52

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Solution

The fourth proportional to 1,272,222.50, 1,755,644.40 and 699,262.52 is: 964,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,222.50 : 1,755,644.40 = 699,262.52 : x
  2. Step 2: Convert to fraction form
    1,272,222.50/1,755,644.40 = 699,262.52/x
  3. Step 3: Cross multiply
    1,272,222.50x = 1,755,644.40 × 699,262.52
  4. Step 4: Simplify right side
    1,272,222.50x = 1,227,656,327,367.89
  5. Step 5: Solve for x
    x = 1,227,656,327,367.89/1,272,222.50
  6. Step 6: Final answer
    x = 964,969.83

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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.