Home / 1,097,620.32-1,646,626.32-388,060.32

Finding the Fourth Proportional to 1,097,620.32, 1,646,626.32 and 388,060.32

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Solution

The fourth proportional to 1,097,620.32, 1,646,626.32 and 388,060.32 is: 582,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,620.32 : 1,646,626.32 = 388,060.32 : x
  2. Step 2: Convert to fraction form
    1,097,620.32/1,646,626.32 = 388,060.32/x
  3. Step 3: Cross multiply
    1,097,620.32x = 1,646,626.32 × 388,060.32
  4. Step 4: Simplify right side
    1,097,620.32x = 638,990,336,659.62
  5. Step 5: Solve for x
    x = 638,990,336,659.62/1,097,620.32
  6. Step 6: Final answer
    x = 582,159.72

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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.