Home / 1,491,336.83-2,058,278.56-879,556.92

Finding the Fourth Proportional to 1,491,336.83, 2,058,278.56 and 879,556.92

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Solution

The fourth proportional to 1,491,336.83, 2,058,278.56 and 879,556.92 is: 1,213,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,336.83 : 2,058,278.56 = 879,556.92 : x
  2. Step 2: Convert to fraction form
    1,491,336.83/2,058,278.56 = 879,556.92/x
  3. Step 3: Cross multiply
    1,491,336.83x = 2,058,278.56 × 879,556.92
  4. Step 4: Simplify right side
    1,491,336.83x = 1,810,373,150,735.64
  5. Step 5: Solve for x
    x = 1,810,373,150,735.64/1,491,336.83
  6. Step 6: Final answer
    x = 1,213,926.40

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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.