Home / 1,040,855.84-1,560,135.88-680,877.24

Finding the Fourth Proportional to 1,040,855.84, 1,560,135.88 and 680,877.24

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Solution

The fourth proportional to 1,040,855.84, 1,560,135.88 and 680,877.24 is: 1,020,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,855.84 : 1,560,135.88 = 680,877.24 : x
  2. Step 2: Convert to fraction form
    1,040,855.84/1,560,135.88 = 680,877.24/x
  3. Step 3: Cross multiply
    1,040,855.84x = 1,560,135.88 × 680,877.24
  4. Step 4: Simplify right side
    1,040,855.84x = 1,062,261,011,999.37
  5. Step 5: Solve for x
    x = 1,062,261,011,999.37/1,040,855.84
  6. Step 6: Final answer
    x = 1,020,564.97

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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.