Home / 1,198,642.92-1,654,177.51-689,345.70

Finding the Fourth Proportional to 1,198,642.92, 1,654,177.51 and 689,345.70

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Solution

The fourth proportional to 1,198,642.92, 1,654,177.51 and 689,345.70 is: 951,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,642.92 : 1,654,177.51 = 689,345.70 : x
  2. Step 2: Convert to fraction form
    1,198,642.92/1,654,177.51 = 689,345.70/x
  3. Step 3: Cross multiply
    1,198,642.92x = 1,654,177.51 × 689,345.70
  4. Step 4: Simplify right side
    1,198,642.92x = 1,140,300,153,555.21
  5. Step 5: Solve for x
    x = 1,140,300,153,555.21/1,198,642.92
  6. Step 6: Final answer
    x = 951,325.98

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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.