Home / 1,078,009.22-1,617,290.88-404,099.74

Finding the Fourth Proportional to 1,078,009.22, 1,617,290.88 and 404,099.74

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Solution

The fourth proportional to 1,078,009.22, 1,617,290.88 and 404,099.74 is: 606,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,009.22 : 1,617,290.88 = 404,099.74 : x
  2. Step 2: Convert to fraction form
    1,078,009.22/1,617,290.88 = 404,099.74/x
  3. Step 3: Cross multiply
    1,078,009.22x = 1,617,290.88 × 404,099.74
  4. Step 4: Simplify right side
    1,078,009.22x = 653,546,824,112.37
  5. Step 5: Solve for x
    x = 653,546,824,112.37/1,078,009.22
  6. Step 6: Final answer
    x = 606,253.46

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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.