Home / 1,509,142.12-2,263,467.15-443,935.06

Finding the Fourth Proportional to 1,509,142.12, 2,263,467.15 and 443,935.06

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Solution

The fourth proportional to 1,509,142.12, 2,263,467.15 and 443,935.06 is: 665,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,142.12 : 2,263,467.15 = 443,935.06 : x
  2. Step 2: Convert to fraction form
    1,509,142.12/2,263,467.15 = 443,935.06/x
  3. Step 3: Cross multiply
    1,509,142.12x = 2,263,467.15 × 443,935.06
  4. Step 4: Simplify right side
    1,509,142.12x = 1,004,832,425,043.28
  5. Step 5: Solve for x
    x = 1,004,832,425,043.28/1,509,142.12
  6. Step 6: Final answer
    x = 665,830.22

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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.