Home / 1,431,634.76-2,147,340.48-832,213.59

Finding the Fourth Proportional to 1,431,634.76, 2,147,340.48 and 832,213.59

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Solution

The fourth proportional to 1,431,634.76, 2,147,340.48 and 832,213.59 is: 1,248,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,634.76 : 2,147,340.48 = 832,213.59 : x
  2. Step 2: Convert to fraction form
    1,431,634.76/2,147,340.48 = 832,213.59/x
  3. Step 3: Cross multiply
    1,431,634.76x = 2,147,340.48 × 832,213.59
  4. Step 4: Simplify right side
    1,431,634.76x = 1,787,045,929,813.12
  5. Step 5: Solve for x
    x = 1,787,045,929,813.12/1,431,634.76
  6. Step 6: Final answer
    x = 1,248,255.48

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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.