Home / 1,205,122.80-1,807,694.52-306,565.32

Finding the Fourth Proportional to 1,205,122.80, 1,807,694.52 and 306,565.32

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Solution

The fourth proportional to 1,205,122.80, 1,807,694.52 and 306,565.32 is: 459,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,122.80 : 1,807,694.52 = 306,565.32 : x
  2. Step 2: Convert to fraction form
    1,205,122.80/1,807,694.52 = 306,565.32/x
  3. Step 3: Cross multiply
    1,205,122.80x = 1,807,694.52 × 306,565.32
  4. Step 4: Simplify right side
    1,205,122.80x = 554,176,448,986.05
  5. Step 5: Solve for x
    x = 554,176,448,986.05/1,205,122.80
  6. Step 6: Final answer
    x = 459,850.61

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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.