Home / 1,660,078.56-2,488,343.94-1,185,324.60

Finding the Fourth Proportional to 1,660,078.56, 2,488,343.94 and 1,185,324.60

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Solution

The fourth proportional to 1,660,078.56, 2,488,343.94 and 1,185,324.60 is: 1,776,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,078.56 : 2,488,343.94 = 1,185,324.60 : x
  2. Step 2: Convert to fraction form
    1,660,078.56/2,488,343.94 = 1,185,324.60/x
  3. Step 3: Cross multiply
    1,660,078.56x = 2,488,343.94 × 1,185,324.60
  4. Step 4: Simplify right side
    1,660,078.56x = 2,949,495,285,342.92
  5. Step 5: Solve for x
    x = 2,949,495,285,342.92/1,660,078.56
  6. Step 6: Final answer
    x = 1,776,720.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.