Home / 1,449,722.25-2,000,621.37-805,142.43

Finding the Fourth Proportional to 1,449,722.25, 2,000,621.37 and 805,142.43

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Solution

The fourth proportional to 1,449,722.25, 2,000,621.37 and 805,142.43 is: 1,111,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,722.25 : 2,000,621.37 = 805,142.43 : x
  2. Step 2: Convert to fraction form
    1,449,722.25/2,000,621.37 = 805,142.43/x
  3. Step 3: Cross multiply
    1,449,722.25x = 2,000,621.37 × 805,142.43
  4. Step 4: Simplify right side
    1,449,722.25x = 1,610,785,137,322.91
  5. Step 5: Solve for x
    x = 1,610,785,137,322.91/1,449,722.25
  6. Step 6: Final answer
    x = 1,111,099.13

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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.