Home / 1,038,998.30-1,555,873.05-682,079.90

Finding the Fourth Proportional to 1,038,998.30, 1,555,873.05 and 682,079.90

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Solution

The fourth proportional to 1,038,998.30, 1,555,873.05 and 682,079.90 is: 1,021,396.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,998.30 : 1,555,873.05 = 682,079.90 : x
  2. Step 2: Convert to fraction form
    1,038,998.30/1,555,873.05 = 682,079.90/x
  3. Step 3: Cross multiply
    1,038,998.30x = 1,555,873.05 × 682,079.90
  4. Step 4: Simplify right side
    1,038,998.30x = 1,061,229,734,356.70
  5. Step 5: Solve for x
    x = 1,061,229,734,356.70/1,038,998.30
  6. Step 6: Final answer
    x = 1,021,396.99

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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.