Home / 1,080,650.42-1,491,302.21-590,629.80

Finding the Fourth Proportional to 1,080,650.42, 1,491,302.21 and 590,629.80

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Solution

The fourth proportional to 1,080,650.42, 1,491,302.21 and 590,629.80 is: 815,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,650.42 : 1,491,302.21 = 590,629.80 : x
  2. Step 2: Convert to fraction form
    1,080,650.42/1,491,302.21 = 590,629.80/x
  3. Step 3: Cross multiply
    1,080,650.42x = 1,491,302.21 × 590,629.80
  4. Step 4: Simplify right side
    1,080,650.42x = 880,807,523,078.71
  5. Step 5: Solve for x
    x = 880,807,523,078.71/1,080,650.42
  6. Step 6: Final answer
    x = 815,071.66

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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.