Home / 1,038,999.30-1,555,874.55-682,080.90

Finding the Fourth Proportional to 1,038,999.30, 1,555,874.55 and 682,080.90

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Solution

The fourth proportional to 1,038,999.30, 1,555,874.55 and 682,080.90 is: 1,021,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,999.30 : 1,555,874.55 = 682,080.90 : x
  2. Step 2: Convert to fraction form
    1,038,999.30/1,555,874.55 = 682,080.90/x
  3. Step 3: Cross multiply
    1,038,999.30x = 1,555,874.55 × 682,080.90
  4. Step 4: Simplify right side
    1,038,999.30x = 1,061,232,313,351.10
  5. Step 5: Solve for x
    x = 1,061,232,313,351.10/1,038,999.30
  6. Step 6: Final answer
    x = 1,021,398.49

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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.