Home / 1,256,452.90-1,882,601.70-723,043.60

Finding the Fourth Proportional to 1,256,452.90, 1,882,601.70 and 723,043.60

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Solution

The fourth proportional to 1,256,452.90, 1,882,601.70 and 723,043.60 is: 1,083,369.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,452.90 : 1,882,601.70 = 723,043.60 : x
  2. Step 2: Convert to fraction form
    1,256,452.90/1,882,601.70 = 723,043.60/x
  3. Step 3: Cross multiply
    1,256,452.90x = 1,882,601.70 × 723,043.60
  4. Step 4: Simplify right side
    1,256,452.90x = 1,361,203,110,534.12
  5. Step 5: Solve for x
    x = 1,361,203,110,534.12/1,256,452.90
  6. Step 6: Final answer
    x = 1,083,369.79

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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.