Home / 1,205,120.80-1,807,691.52-306,563.32

Finding the Fourth Proportional to 1,205,120.80, 1,807,691.52 and 306,563.32

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Solution

The fourth proportional to 1,205,120.80, 1,807,691.52 and 306,563.32 is: 459,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,120.80 : 1,807,691.52 = 306,563.32 : x
  2. Step 2: Convert to fraction form
    1,205,120.80/1,807,691.52 = 306,563.32/x
  3. Step 3: Cross multiply
    1,205,120.80x = 1,807,691.52 × 306,563.32
  4. Step 4: Simplify right side
    1,205,120.80x = 554,171,913,907.05
  5. Step 5: Solve for x
    x = 554,171,913,907.05/1,205,120.80
  6. Step 6: Final answer
    x = 459,847.61

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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.