Home / 1,040,856.84-1,560,137.38-680,878.24

Finding the Fourth Proportional to 1,040,856.84, 1,560,137.38 and 680,878.24

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Solution

The fourth proportional to 1,040,856.84, 1,560,137.38 and 680,878.24 is: 1,020,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,856.84 : 1,560,137.38 = 680,878.24 : x
  2. Step 2: Convert to fraction form
    1,040,856.84/1,560,137.38 = 680,878.24/x
  3. Step 3: Cross multiply
    1,040,856.84x = 1,560,137.38 × 680,878.24
  4. Step 4: Simplify right side
    1,040,856.84x = 1,062,263,593,452.61
  5. Step 5: Solve for x
    x = 1,062,263,593,452.61/1,040,856.84
  6. Step 6: Final answer
    x = 1,020,566.47

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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.