Home / 1,391,844.25-2,087,766.38-341,220.25

Finding the Fourth Proportional to 1,391,844.25, 2,087,766.38 and 341,220.25

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Solution

The fourth proportional to 1,391,844.25, 2,087,766.38 and 341,220.25 is: 511,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,844.25 : 2,087,766.38 = 341,220.25 : x
  2. Step 2: Convert to fraction form
    1,391,844.25/2,087,766.38 = 341,220.25/x
  3. Step 3: Cross multiply
    1,391,844.25x = 2,087,766.38 × 341,220.25
  4. Step 4: Simplify right side
    1,391,844.25x = 712,388,166,125.20
  5. Step 5: Solve for x
    x = 712,388,166,125.20/1,391,844.25
  6. Step 6: Final answer
    x = 511,830.38

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Double scale
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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.