Home / 986,128.58-1,482,713.94-908,183.90

Finding the Fourth Proportional to 986,128.58, 1,482,713.94 and 908,183.90

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Solution

The fourth proportional to 986,128.58, 1,482,713.94 and 908,183.90 is: 1,365,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,128.58 : 1,482,713.94 = 908,183.90 : x
  2. Step 2: Convert to fraction form
    986,128.58/1,482,713.94 = 908,183.90/x
  3. Step 3: Cross multiply
    986,128.58x = 1,482,713.94 × 908,183.90
  4. Step 4: Simplify right side
    986,128.58x = 1,346,576,928,613.57
  5. Step 5: Solve for x
    x = 1,346,576,928,613.57/986,128.58
  6. Step 6: Final answer
    x = 1,365,518.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.