Home / 1,618,090.60-2,422,470.30-988,234.60

Finding the Fourth Proportional to 1,618,090.60, 2,422,470.30 and 988,234.60

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Solution

The fourth proportional to 1,618,090.60, 2,422,470.30 and 988,234.60 is: 1,479,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,090.60 : 2,422,470.30 = 988,234.60 : x
  2. Step 2: Convert to fraction form
    1,618,090.60/2,422,470.30 = 988,234.60/x
  3. Step 3: Cross multiply
    1,618,090.60x = 2,422,470.30 × 988,234.60
  4. Step 4: Simplify right side
    1,618,090.60x = 2,393,968,967,932.38
  5. Step 5: Solve for x
    x = 2,393,968,967,932.38/1,618,090.60
  6. Step 6: Final answer
    x = 1,479,502.43

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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.