Home / 1,042,714.80-1,564,072.20-839,761.20

Finding the Fourth Proportional to 1,042,714.80, 1,564,072.20 and 839,761.20

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Solution

The fourth proportional to 1,042,714.80, 1,564,072.20 and 839,761.20 is: 1,259,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,714.80 : 1,564,072.20 = 839,761.20 : x
  2. Step 2: Convert to fraction form
    1,042,714.80/1,564,072.20 = 839,761.20/x
  3. Step 3: Cross multiply
    1,042,714.80x = 1,564,072.20 × 839,761.20
  4. Step 4: Simplify right side
    1,042,714.80x = 1,313,447,147,558.64
  5. Step 5: Solve for x
    x = 1,313,447,147,558.64/1,042,714.80
  6. Step 6: Final answer
    x = 1,259,641.80

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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.