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Finding the Fourth Proportional to 1,260.94, 1,740.06 and 701.41

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Solution

The fourth proportional to 1,260.94, 1,740.06 and 701.41 is: 967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.94 : 1,740.06 = 701.41 : x
  2. Step 2: Convert to fraction form
    1,260.94/1,740.06 = 701.41/x
  3. Step 3: Cross multiply
    1,260.94x = 1,740.06 × 701.41
  4. Step 4: Simplify right side
    1,260.94x = 1,220,495.48
  5. Step 5: Solve for x
    x = 1,220,495.48/1,260.94
  6. Step 6: Final answer
    x = 967.93

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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.