Home / 1,391,104.02-2,086,270.50-492,427.46

Finding the Fourth Proportional to 1,391,104.02, 2,086,270.50 and 492,427.46

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Solution

The fourth proportional to 1,391,104.02, 2,086,270.50 and 492,427.46 is: 738,504.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,104.02 : 2,086,270.50 = 492,427.46 : x
  2. Step 2: Convert to fraction form
    1,391,104.02/2,086,270.50 = 492,427.46/x
  3. Step 3: Cross multiply
    1,391,104.02x = 2,086,270.50 × 492,427.46
  4. Step 4: Simplify right side
    1,391,104.02x = 1,027,336,883,187.93
  5. Step 5: Solve for x
    x = 1,027,336,883,187.93/1,391,104.02
  6. Step 6: Final answer
    x = 738,504.72

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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.