Home / 1,342,424.80-2,014,738.80-1,331,927.20

Finding the Fourth Proportional to 1,342,424.80, 2,014,738.80 and 1,331,927.20

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Solution

The fourth proportional to 1,342,424.80, 2,014,738.80 and 1,331,927.20 is: 1,998,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,424.80 : 2,014,738.80 = 1,331,927.20 : x
  2. Step 2: Convert to fraction form
    1,342,424.80/2,014,738.80 = 1,331,927.20/x
  3. Step 3: Cross multiply
    1,342,424.80x = 2,014,738.80 × 1,331,927.20
  4. Step 4: Simplify right side
    1,342,424.80x = 2,683,485,408,615.36
  5. Step 5: Solve for x
    x = 2,683,485,408,615.36/1,342,424.80
  6. Step 6: Final answer
    x = 1,998,983.79

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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.