Home / 1,115,619.22-1,537,787.82-1,022,945.14

Finding the Fourth Proportional to 1,115,619.22, 1,537,787.82 and 1,022,945.14

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Solution

The fourth proportional to 1,115,619.22, 1,537,787.82 and 1,022,945.14 is: 1,410,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,619.22 : 1,537,787.82 = 1,022,945.14 : x
  2. Step 2: Convert to fraction form
    1,115,619.22/1,537,787.82 = 1,022,945.14/x
  3. Step 3: Cross multiply
    1,115,619.22x = 1,537,787.82 × 1,022,945.14
  4. Step 4: Simplify right side
    1,115,619.22x = 1,573,072,576,820.19
  5. Step 5: Solve for x
    x = 1,573,072,576,820.19/1,115,619.22
  6. Step 6: Final answer
    x = 1,410,044.35

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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.