Home / 1,424,880.80-2,140,431.60-1,004,976.80

Finding the Fourth Proportional to 1,424,880.80, 2,140,431.60 and 1,004,976.80

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Solution

The fourth proportional to 1,424,880.80, 2,140,431.60 and 1,004,976.80 is: 1,509,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,880.80 : 2,140,431.60 = 1,004,976.80 : x
  2. Step 2: Convert to fraction form
    1,424,880.80/2,140,431.60 = 1,004,976.80/x
  3. Step 3: Cross multiply
    1,424,880.80x = 2,140,431.60 × 1,004,976.80
  4. Step 4: Simplify right side
    1,424,880.80x = 2,151,084,099,986.88
  5. Step 5: Solve for x
    x = 2,151,084,099,986.88/1,424,880.80
  6. Step 6: Final answer
    x = 1,509,658.98

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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.