Home / 1,080,414.17-1,620,450.86-679,828.67

Finding the Fourth Proportional to 1,080,414.17, 1,620,450.86 and 679,828.67

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Solution

The fourth proportional to 1,080,414.17, 1,620,450.86 and 679,828.67 is: 1,019,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,414.17 : 1,620,450.86 = 679,828.67 : x
  2. Step 2: Convert to fraction form
    1,080,414.17/1,620,450.86 = 679,828.67/x
  3. Step 3: Cross multiply
    1,080,414.17x = 1,620,450.86 × 679,828.67
  4. Step 4: Simplify right side
    1,080,414.17x = 1,101,628,941,452.76
  5. Step 5: Solve for x
    x = 1,101,628,941,452.76/1,080,414.17
  6. Step 6: Final answer
    x = 1,019,635.78

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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.