Home / 1,493,108.37-2,239,003.76-427,908.69

Finding the Fourth Proportional to 1,493,108.37, 2,239,003.76 and 427,908.69

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Solution

The fourth proportional to 1,493,108.37, 2,239,003.76 and 427,908.69 is: 641,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,108.37 : 2,239,003.76 = 427,908.69 : x
  2. Step 2: Convert to fraction form
    1,493,108.37/2,239,003.76 = 427,908.69/x
  3. Step 3: Cross multiply
    1,493,108.37x = 2,239,003.76 × 427,908.69
  4. Step 4: Simplify right side
    1,493,108.37x = 958,089,163,707.13
  5. Step 5: Solve for x
    x = 958,089,163,707.13/1,493,108.37
  6. Step 6: Final answer
    x = 641,674.23

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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.