Home / 1,081,084.16-1,492,025.92-628,375.20

Finding the Fourth Proportional to 1,081,084.16, 1,492,025.92 and 628,375.20

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Solution

The fourth proportional to 1,081,084.16, 1,492,025.92 and 628,375.20 is: 867,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,084.16 : 1,492,025.92 = 628,375.20 : x
  2. Step 2: Convert to fraction form
    1,081,084.16/1,492,025.92 = 628,375.20/x
  3. Step 3: Cross multiply
    1,081,084.16x = 1,492,025.92 × 628,375.20
  4. Step 4: Simplify right side
    1,081,084.16x = 937,552,085,885.18
  5. Step 5: Solve for x
    x = 937,552,085,885.18/1,081,084.16
  6. Step 6: Final answer
    x = 867,233.21

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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.