Home / 1,427,857.20-1,970,436.96-883,884.48

Finding the Fourth Proportional to 1,427,857.20, 1,970,436.96 and 883,884.48

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Solution

The fourth proportional to 1,427,857.20, 1,970,436.96 and 883,884.48 is: 1,219,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,857.20 : 1,970,436.96 = 883,884.48 : x
  2. Step 2: Convert to fraction form
    1,427,857.20/1,970,436.96 = 883,884.48/x
  3. Step 3: Cross multiply
    1,427,857.20x = 1,970,436.96 × 883,884.48
  4. Step 4: Simplify right side
    1,427,857.20x = 1,741,638,647,762.38
  5. Step 5: Solve for x
    x = 1,741,638,647,762.38/1,427,857.20
  6. Step 6: Final answer
    x = 1,219,756.88

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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.