Home / 1,351,881.72-1,865,599.11-740,034.86

Finding the Fourth Proportional to 1,351,881.72, 1,865,599.11 and 740,034.86

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Solution

The fourth proportional to 1,351,881.72, 1,865,599.11 and 740,034.86 is: 1,021,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,881.72 : 1,865,599.11 = 740,034.86 : x
  2. Step 2: Convert to fraction form
    1,351,881.72/1,865,599.11 = 740,034.86/x
  3. Step 3: Cross multiply
    1,351,881.72x = 1,865,599.11 × 740,034.86
  4. Step 4: Simplify right side
    1,351,881.72x = 1,380,608,366,856.98
  5. Step 5: Solve for x
    x = 1,380,608,366,856.98/1,351,881.72
  6. Step 6: Final answer
    x = 1,021,249.38

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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.