Home / 1,040,069.70-1,560,104.55-679,263.30

Finding the Fourth Proportional to 1,040,069.70, 1,560,104.55 and 679,263.30

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Solution

The fourth proportional to 1,040,069.70, 1,560,104.55 and 679,263.30 is: 1,018,894.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,069.70 : 1,560,104.55 = 679,263.30 : x
  2. Step 2: Convert to fraction form
    1,040,069.70/1,560,104.55 = 679,263.30/x
  3. Step 3: Cross multiply
    1,040,069.70x = 1,560,104.55 × 679,263.30
  4. Step 4: Simplify right side
    1,040,069.70x = 1,059,721,764,978.02
  5. Step 5: Solve for x
    x = 1,059,721,764,978.02/1,040,069.70
  6. Step 6: Final answer
    x = 1,018,894.95

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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.