Home / 1,449,956.69-2,173,737.54-639,764.27

Finding the Fourth Proportional to 1,449,956.69, 2,173,737.54 and 639,764.27

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Solution

The fourth proportional to 1,449,956.69, 2,173,737.54 and 639,764.27 is: 959,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,956.69 : 2,173,737.54 = 639,764.27 : x
  2. Step 2: Convert to fraction form
    1,449,956.69/2,173,737.54 = 639,764.27/x
  3. Step 3: Cross multiply
    1,449,956.69x = 2,173,737.54 × 639,764.27
  4. Step 4: Simplify right side
    1,449,956.69x = 1,390,679,610,449.70
  5. Step 5: Solve for x
    x = 1,390,679,610,449.70/1,449,956.69
  6. Step 6: Final answer
    x = 959,118.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.