Home / 1,198,641.54-1,654,175.61-689,344.32

Finding the Fourth Proportional to 1,198,641.54, 1,654,175.61 and 689,344.32

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Solution

The fourth proportional to 1,198,641.54, 1,654,175.61 and 689,344.32 is: 951,324.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,641.54 : 1,654,175.61 = 689,344.32 : x
  2. Step 2: Convert to fraction form
    1,198,641.54/1,654,175.61 = 689,344.32/x
  3. Step 3: Cross multiply
    1,198,641.54x = 1,654,175.61 × 689,344.32
  4. Step 4: Simplify right side
    1,198,641.54x = 1,140,296,561,036.04
  5. Step 5: Solve for x
    x = 1,140,296,561,036.04/1,198,641.54
  6. Step 6: Final answer
    x = 951,324.08

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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.