Home / 1,205,785.32-1,809,033.27-485,756.52

Finding the Fourth Proportional to 1,205,785.32, 1,809,033.27 and 485,756.52

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Solution

The fourth proportional to 1,205,785.32, 1,809,033.27 and 485,756.52 is: 728,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,785.32 : 1,809,033.27 = 485,756.52 : x
  2. Step 2: Convert to fraction form
    1,205,785.32/1,809,033.27 = 485,756.52/x
  3. Step 3: Cross multiply
    1,205,785.32x = 1,809,033.27 × 485,756.52
  4. Step 4: Simplify right side
    1,205,785.32x = 878,749,705,799.42
  5. Step 5: Solve for x
    x = 878,749,705,799.42/1,205,785.32
  6. Step 6: Final answer
    x = 728,777.91

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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.