Home / 1,190,845.26-1,643,359.59-646,977.24

Finding the Fourth Proportional to 1,190,845.26, 1,643,359.59 and 646,977.24

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Solution

The fourth proportional to 1,190,845.26, 1,643,359.59 and 646,977.24 is: 892,824.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,845.26 : 1,643,359.59 = 646,977.24 : x
  2. Step 2: Convert to fraction form
    1,190,845.26/1,643,359.59 = 646,977.24/x
  3. Step 3: Cross multiply
    1,190,845.26x = 1,643,359.59 × 646,977.24
  4. Step 4: Simplify right side
    1,190,845.26x = 1,063,216,251,865.73
  5. Step 5: Solve for x
    x = 1,063,216,251,865.73/1,190,845.26
  6. Step 6: Final answer
    x = 892,824.86

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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.