Home / 1,078,661.63-1,617,571.91-404,375.36

Finding the Fourth Proportional to 1,078,661.63, 1,617,571.91 and 404,375.36

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Solution

The fourth proportional to 1,078,661.63, 1,617,571.91 and 404,375.36 is: 606,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,661.63 : 1,617,571.91 = 404,375.36 : x
  2. Step 2: Convert to fraction form
    1,078,661.63/1,617,571.91 = 404,375.36/x
  3. Step 3: Cross multiply
    1,078,661.63x = 1,617,571.91 × 404,375.36
  4. Step 4: Simplify right side
    1,078,661.63x = 654,106,216,355.22
  5. Step 5: Solve for x
    x = 654,106,216,355.22/1,078,661.63
  6. Step 6: Final answer
    x = 606,405.38

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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.