Home / 1,294,144.60-1,941,216.90-664,288.60

Finding the Fourth Proportional to 1,294,144.60, 1,941,216.90 and 664,288.60

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Solution

The fourth proportional to 1,294,144.60, 1,941,216.90 and 664,288.60 is: 996,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,144.60 : 1,941,216.90 = 664,288.60 : x
  2. Step 2: Convert to fraction form
    1,294,144.60/1,941,216.90 = 664,288.60/x
  3. Step 3: Cross multiply
    1,294,144.60x = 1,941,216.90 × 664,288.60
  4. Step 4: Simplify right side
    1,294,144.60x = 1,289,528,256,797.34
  5. Step 5: Solve for x
    x = 1,289,528,256,797.34/1,294,144.60
  6. Step 6: Final answer
    x = 996,432.90

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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.