Home / 1,328,231.35-1,990,664.84-848,273.72

Finding the Fourth Proportional to 1,328,231.35, 1,990,664.84 and 848,273.72

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Solution

The fourth proportional to 1,328,231.35, 1,990,664.84 and 848,273.72 is: 1,271,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,231.35 : 1,990,664.84 = 848,273.72 : x
  2. Step 2: Convert to fraction form
    1,328,231.35/1,990,664.84 = 848,273.72/x
  3. Step 3: Cross multiply
    1,328,231.35x = 1,990,664.84 × 848,273.72
  4. Step 4: Simplify right side
    1,328,231.35x = 1,688,628,661,267.36
  5. Step 5: Solve for x
    x = 1,688,628,661,267.36/1,328,231.35
  6. Step 6: Final answer
    x = 1,271,336.25

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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.