Home / 1,090,435.38-1,504,844.91-606,969.78

Finding the Fourth Proportional to 1,090,435.38, 1,504,844.91 and 606,969.78

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Solution

The fourth proportional to 1,090,435.38, 1,504,844.91 and 606,969.78 is: 837,642.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,435.38 : 1,504,844.91 = 606,969.78 : x
  2. Step 2: Convert to fraction form
    1,090,435.38/1,504,844.91 = 606,969.78/x
  3. Step 3: Cross multiply
    1,090,435.38x = 1,504,844.91 × 606,969.78
  4. Step 4: Simplify right side
    1,090,435.38x = 913,395,383,956.82
  5. Step 5: Solve for x
    x = 913,395,383,956.82/1,090,435.38
  6. Step 6: Final answer
    x = 837,642.84

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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.