Home / 1,274,230.68-1,758,042.54-722,855.85

Finding the Fourth Proportional to 1,274,230.68, 1,758,042.54 and 722,855.85

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Solution

The fourth proportional to 1,274,230.68, 1,758,042.54 and 722,855.85 is: 997,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,230.68 : 1,758,042.54 = 722,855.85 : x
  2. Step 2: Convert to fraction form
    1,274,230.68/1,758,042.54 = 722,855.85/x
  3. Step 3: Cross multiply
    1,274,230.68x = 1,758,042.54 × 722,855.85
  4. Step 4: Simplify right side
    1,274,230.68x = 1,270,811,334,587.86
  5. Step 5: Solve for x
    x = 1,270,811,334,587.86/1,274,230.68
  6. Step 6: Final answer
    x = 997,316.54

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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.