Home / 1,673,906.20-2,309,963.30-909,979

Finding the Fourth Proportional to 1,673,906.20, 2,309,963.30 and 909,979

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Solution

The fourth proportional to 1,673,906.20, 2,309,963.30 and 909,979 is: 1,255,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,906.20 : 2,309,963.30 = 909,979 : x
  2. Step 2: Convert to fraction form
    1,673,906.20/2,309,963.30 = 909,979/x
  3. Step 3: Cross multiply
    1,673,906.20x = 2,309,963.30 × 909,979
  4. Step 4: Simplify right side
    1,673,906.20x = 2,102,018,093,770.70
  5. Step 5: Solve for x
    x = 2,102,018,093,770.70/1,673,906.20
  6. Step 6: Final answer
    x = 1,255,756.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.