Home / 1,204,900.92-1,662,590.70-721,350.36

Finding the Fourth Proportional to 1,204,900.92, 1,662,590.70 and 721,350.36

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Solution

The fourth proportional to 1,204,900.92, 1,662,590.70 and 721,350.36 is: 995,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,900.92 : 1,662,590.70 = 721,350.36 : x
  2. Step 2: Convert to fraction form
    1,204,900.92/1,662,590.70 = 721,350.36/x
  3. Step 3: Cross multiply
    1,204,900.92x = 1,662,590.70 × 721,350.36
  4. Step 4: Simplify right side
    1,204,900.92x = 1,199,310,399,977.65
  5. Step 5: Solve for x
    x = 1,199,310,399,977.65/1,204,900.92
  6. Step 6: Final answer
    x = 995,360.18

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1.5x scale

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.