Home / 1,237,076.70-1,707,136.93-727,811.86

Finding the Fourth Proportional to 1,237,076.70, 1,707,136.93 and 727,811.86

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Solution

The fourth proportional to 1,237,076.70, 1,707,136.93 and 727,811.86 is: 1,004,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,076.70 : 1,707,136.93 = 727,811.86 : x
  2. Step 2: Convert to fraction form
    1,237,076.70/1,707,136.93 = 727,811.86/x
  3. Step 3: Cross multiply
    1,237,076.70x = 1,707,136.93 × 727,811.86
  4. Step 4: Simplify right side
    1,237,076.70x = 1,242,474,504,297.99
  5. Step 5: Solve for x
    x = 1,242,474,504,297.99/1,237,076.70
  6. Step 6: Final answer
    x = 1,004,363.35

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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.