Home / 1,118,986.64-1,679,255.13-444,998.88

Finding the Fourth Proportional to 1,118,986.64, 1,679,255.13 and 444,998.88

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Solution

The fourth proportional to 1,118,986.64, 1,679,255.13 and 444,998.88 is: 667,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,986.64 : 1,679,255.13 = 444,998.88 : x
  2. Step 2: Convert to fraction form
    1,118,986.64/1,679,255.13 = 444,998.88/x
  3. Step 3: Cross multiply
    1,118,986.64x = 1,679,255.13 × 444,998.88
  4. Step 4: Simplify right side
    1,118,986.64x = 747,266,652,084.25
  5. Step 5: Solve for x
    x = 747,266,652,084.25/1,118,986.64
  6. Step 6: Final answer
    x = 667,806.59

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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.