Home / 1,276,351.20-1,761,364.68-703,391.37

Finding the Fourth Proportional to 1,276,351.20, 1,761,364.68 and 703,391.37

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Solution

The fourth proportional to 1,276,351.20, 1,761,364.68 and 703,391.37 is: 970,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,351.20 : 1,761,364.68 = 703,391.37 : x
  2. Step 2: Convert to fraction form
    1,276,351.20/1,761,364.68 = 703,391.37/x
  3. Step 3: Cross multiply
    1,276,351.20x = 1,761,364.68 × 703,391.37
  4. Step 4: Simplify right side
    1,276,351.20x = 1,238,928,711,045.81
  5. Step 5: Solve for x
    x = 1,238,928,711,045.81/1,276,351.20
  6. Step 6: Final answer
    x = 970,680.10

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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.