Home / 1,694,385.15-2,338,278.33-920,015.58

Finding the Fourth Proportional to 1,694,385.15, 2,338,278.33 and 920,015.58

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Solution

The fourth proportional to 1,694,385.15, 2,338,278.33 and 920,015.58 is: 1,269,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,385.15 : 2,338,278.33 = 920,015.58 : x
  2. Step 2: Convert to fraction form
    1,694,385.15/2,338,278.33 = 920,015.58/x
  3. Step 3: Cross multiply
    1,694,385.15x = 2,338,278.33 × 920,015.58
  4. Step 4: Simplify right side
    1,694,385.15x = 2,151,252,493,976.38
  5. Step 5: Solve for x
    x = 2,151,252,493,976.38/1,694,385.15
  6. Step 6: Final answer
    x = 1,269,636.06

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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.