Home / 1,424,469.21-1,965,766.58-779,889.24

Finding the Fourth Proportional to 1,424,469.21, 1,965,766.58 and 779,889.24

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Solution

The fourth proportional to 1,424,469.21, 1,965,766.58 and 779,889.24 is: 1,076,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,469.21 : 1,965,766.58 = 779,889.24 : x
  2. Step 2: Convert to fraction form
    1,424,469.21/1,965,766.58 = 779,889.24/x
  3. Step 3: Cross multiply
    1,424,469.21x = 1,965,766.58 × 779,889.24
  4. Step 4: Simplify right side
    1,424,469.21x = 1,533,080,200,194.15
  5. Step 5: Solve for x
    x = 1,533,080,200,194.15/1,424,469.21
  6. Step 6: Final answer
    x = 1,076,246.64

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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.