Home / 1,293,387.34-1,784,914.82-742,203.98

Finding the Fourth Proportional to 1,293,387.34, 1,784,914.82 and 742,203.98

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Solution

The fourth proportional to 1,293,387.34, 1,784,914.82 and 742,203.98 is: 1,024,264.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,387.34 : 1,784,914.82 = 742,203.98 : x
  2. Step 2: Convert to fraction form
    1,293,387.34/1,784,914.82 = 742,203.98/x
  3. Step 3: Cross multiply
    1,293,387.34x = 1,784,914.82 × 742,203.98
  4. Step 4: Simplify right side
    1,293,387.34x = 1,324,770,873,512.65
  5. Step 5: Solve for x
    x = 1,324,770,873,512.65/1,293,387.34
  6. Step 6: Final answer
    x = 1,024,264.61

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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.