Home / 1,198,673.04-1,654,219.14-689,375.88

Finding the Fourth Proportional to 1,198,673.04, 1,654,219.14 and 689,375.88

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Solution

The fourth proportional to 1,198,673.04, 1,654,219.14 and 689,375.88 is: 951,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,673.04 : 1,654,219.14 = 689,375.88 : x
  2. Step 2: Convert to fraction form
    1,198,673.04/1,654,219.14 = 689,375.88/x
  3. Step 3: Cross multiply
    1,198,673.04x = 1,654,219.14 × 689,375.88
  4. Step 4: Simplify right side
    1,198,673.04x = 1,140,378,775,350.34
  5. Step 5: Solve for x
    x = 1,140,378,775,350.34/1,198,673.04
  6. Step 6: Final answer
    x = 951,367.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.