Home / 1,276,271.52-1,761,171.40-703,311.56

Finding the Fourth Proportional to 1,276,271.52, 1,761,171.40 and 703,311.56

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Solution

The fourth proportional to 1,276,271.52, 1,761,171.40 and 703,311.56 is: 970,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,271.52 : 1,761,171.40 = 703,311.56 : x
  2. Step 2: Convert to fraction form
    1,276,271.52/1,761,171.40 = 703,311.56/x
  3. Step 3: Cross multiply
    1,276,271.52x = 1,761,171.40 × 703,311.56
  4. Step 4: Simplify right side
    1,276,271.52x = 1,238,652,204,761.38
  5. Step 5: Solve for x
    x = 1,238,652,204,761.38/1,276,271.52
  6. Step 6: Final answer
    x = 970,524.05

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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.