Home / 1,448,314.31-1,998,469.74-867,401.30

Finding the Fourth Proportional to 1,448,314.31, 1,998,469.74 and 867,401.30

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Solution

The fourth proportional to 1,448,314.31, 1,998,469.74 and 867,401.30 is: 1,196,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,314.31 : 1,998,469.74 = 867,401.30 : x
  2. Step 2: Convert to fraction form
    1,448,314.31/1,998,469.74 = 867,401.30/x
  3. Step 3: Cross multiply
    1,448,314.31x = 1,998,469.74 × 867,401.30
  4. Step 4: Simplify right side
    1,448,314.31x = 1,733,475,255,482.84
  5. Step 5: Solve for x
    x = 1,733,475,255,482.84/1,448,314.31
  6. Step 6: Final answer
    x = 1,196,891.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.