Home / 1,228,714.80-1,843,072.20-697,273.80

Finding the Fourth Proportional to 1,228,714.80, 1,843,072.20 and 697,273.80

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Solution

The fourth proportional to 1,228,714.80, 1,843,072.20 and 697,273.80 is: 1,045,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,714.80 : 1,843,072.20 = 697,273.80 : x
  2. Step 2: Convert to fraction form
    1,228,714.80/1,843,072.20 = 697,273.80/x
  3. Step 3: Cross multiply
    1,228,714.80x = 1,843,072.20 × 697,273.80
  4. Step 4: Simplify right side
    1,228,714.80x = 1,285,125,956,568.36
  5. Step 5: Solve for x
    x = 1,285,125,956,568.36/1,228,714.80
  6. Step 6: Final answer
    x = 1,045,910.70

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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.