Home / 1,661,446.80-2,490,201.90-1,240,230.60

Finding the Fourth Proportional to 1,661,446.80, 2,490,201.90 and 1,240,230.60

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Solution

The fourth proportional to 1,661,446.80, 2,490,201.90 and 1,240,230.60 is: 1,858,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,446.80 : 2,490,201.90 = 1,240,230.60 : x
  2. Step 2: Convert to fraction form
    1,661,446.80/2,490,201.90 = 1,240,230.60/x
  3. Step 3: Cross multiply
    1,661,446.80x = 2,490,201.90 × 1,240,230.60
  4. Step 4: Simplify right side
    1,661,446.80x = 3,088,424,596,558.14
  5. Step 5: Solve for x
    x = 3,088,424,596,558.14/1,661,446.80
  6. Step 6: Final answer
    x = 1,858,876.61

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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.