Home / 1,080,784.08-1,491,687.72-712,613.52

Finding the Fourth Proportional to 1,080,784.08, 1,491,687.72 and 712,613.52

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Solution

The fourth proportional to 1,080,784.08, 1,491,687.72 and 712,613.52 is: 983,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,784.08 : 1,491,687.72 = 712,613.52 : x
  2. Step 2: Convert to fraction form
    1,080,784.08/1,491,687.72 = 712,613.52/x
  3. Step 3: Cross multiply
    1,080,784.08x = 1,491,687.72 × 712,613.52
  4. Step 4: Simplify right side
    1,080,784.08x = 1,062,996,836,889.97
  5. Step 5: Solve for x
    x = 1,062,996,836,889.97/1,080,784.08
  6. Step 6: Final answer
    x = 983,542.28

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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.