Home / 1,460,786.86-2,015,847.93-816,211.54

Finding the Fourth Proportional to 1,460,786.86, 2,015,847.93 and 816,211.54

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Solution

The fourth proportional to 1,460,786.86, 2,015,847.93 and 816,211.54 is: 1,126,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460,786.86 : 2,015,847.93 = 816,211.54 : x
  2. Step 2: Convert to fraction form
    1,460,786.86/2,015,847.93 = 816,211.54/x
  3. Step 3: Cross multiply
    1,460,786.86x = 2,015,847.93 × 816,211.54
  4. Step 4: Simplify right side
    1,460,786.86x = 1,645,358,343,351.11
  5. Step 5: Solve for x
    x = 1,645,358,343,351.11/1,460,786.86
  6. Step 6: Final answer
    x = 1,126,350.73

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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.