Home / 1,078,544.20-1,617,038.70-605,374.60

Finding the Fourth Proportional to 1,078,544.20, 1,617,038.70 and 605,374.60

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Solution

The fourth proportional to 1,078,544.20, 1,617,038.70 and 605,374.60 is: 907,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,544.20 : 1,617,038.70 = 605,374.60 : x
  2. Step 2: Convert to fraction form
    1,078,544.20/1,617,038.70 = 605,374.60/x
  3. Step 3: Cross multiply
    1,078,544.20x = 1,617,038.70 × 605,374.60
  4. Step 4: Simplify right side
    1,078,544.20x = 978,914,156,197.02
  5. Step 5: Solve for x
    x = 978,914,156,197.02/1,078,544.20
  6. Step 6: Final answer
    x = 907,625.44

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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.