Home / 1,293,141.27-1,784,590.31-720,181.44

Finding the Fourth Proportional to 1,293,141.27, 1,784,590.31 and 720,181.44

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Solution

The fourth proportional to 1,293,141.27, 1,784,590.31 and 720,181.44 is: 993,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,141.27 : 1,784,590.31 = 720,181.44 : x
  2. Step 2: Convert to fraction form
    1,293,141.27/1,784,590.31 = 720,181.44/x
  3. Step 3: Cross multiply
    1,293,141.27x = 1,784,590.31 × 720,181.44
  4. Step 4: Simplify right side
    1,293,141.27x = 1,285,228,822,056.66
  5. Step 5: Solve for x
    x = 1,285,228,822,056.66/1,293,141.27
  6. Step 6: Final answer
    x = 993,881.22

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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.