Home / 1,080,893.28-1,491,427.44-678,303.84

Finding the Fourth Proportional to 1,080,893.28, 1,491,427.44 and 678,303.84

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Solution

The fourth proportional to 1,080,893.28, 1,491,427.44 and 678,303.84 is: 935,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,893.28 : 1,491,427.44 = 678,303.84 : x
  2. Step 2: Convert to fraction form
    1,080,893.28/1,491,427.44 = 678,303.84/x
  3. Step 3: Cross multiply
    1,080,893.28x = 1,491,427.44 × 678,303.84
  4. Step 4: Simplify right side
    1,080,893.28x = 1,011,640,959,633.37
  5. Step 5: Solve for x
    x = 1,011,640,959,633.37/1,080,893.28
  6. Step 6: Final answer
    x = 935,930.47

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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.