Home / 940,851.20-1,409,203.20-816,435.20

Finding the Fourth Proportional to 940,851.20, 1,409,203.20 and 816,435.20

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Solution

The fourth proportional to 940,851.20, 1,409,203.20 and 816,435.20 is: 1,222,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,851.20 : 1,409,203.20 = 816,435.20 : x
  2. Step 2: Convert to fraction form
    940,851.20/1,409,203.20 = 816,435.20/x
  3. Step 3: Cross multiply
    940,851.20x = 1,409,203.20 × 816,435.20
  4. Step 4: Simplify right side
    940,851.20x = 1,150,523,096,432.64
  5. Step 5: Solve for x
    x = 1,150,523,096,432.64/940,851.20
  6. Step 6: Final answer
    x = 1,222,853.41

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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.