Home / 1,198,646.92-1,654,183.02-689,349.68

Finding the Fourth Proportional to 1,198,646.92, 1,654,183.02 and 689,349.68

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Solution

The fourth proportional to 1,198,646.92, 1,654,183.02 and 689,349.68 is: 951,331.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,646.92 : 1,654,183.02 = 689,349.68 : x
  2. Step 2: Convert to fraction form
    1,198,646.92/1,654,183.02 = 689,349.68/x
  3. Step 3: Cross multiply
    1,198,646.92x = 1,654,183.02 × 689,349.68
  4. Step 4: Simplify right side
    1,198,646.92x = 1,140,310,535,498.43
  5. Step 5: Solve for x
    x = 1,140,310,535,498.43/1,198,646.92
  6. Step 6: Final answer
    x = 951,331.47

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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.