Home / 1,670,736.78-2,506,083.30-408,575.34

Finding the Fourth Proportional to 1,670,736.78, 2,506,083.30 and 408,575.34

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Solution

The fourth proportional to 1,670,736.78, 2,506,083.30 and 408,575.34 is: 612,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,736.78 : 2,506,083.30 = 408,575.34 : x
  2. Step 2: Convert to fraction form
    1,670,736.78/2,506,083.30 = 408,575.34/x
  3. Step 3: Cross multiply
    1,670,736.78x = 2,506,083.30 × 408,575.34
  4. Step 4: Simplify right side
    1,670,736.78x = 1,023,923,836,365.82
  5. Step 5: Solve for x
    x = 1,023,923,836,365.82/1,670,736.78
  6. Step 6: Final answer
    x = 612,857.66

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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.