Home / 1,447,459.20-2,171,194.38-605,420.28

Finding the Fourth Proportional to 1,447,459.20, 2,171,194.38 and 605,420.28

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Solution

The fourth proportional to 1,447,459.20, 2,171,194.38 and 605,420.28 is: 908,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,459.20 : 2,171,194.38 = 605,420.28 : x
  2. Step 2: Convert to fraction form
    1,447,459.20/2,171,194.38 = 605,420.28/x
  3. Step 3: Cross multiply
    1,447,459.20x = 2,171,194.38 × 605,420.28
  4. Step 4: Simplify right side
    1,447,459.20x = 1,314,485,109,474.03
  5. Step 5: Solve for x
    x = 1,314,485,109,474.03/1,447,459.20
  6. Step 6: Final answer
    x = 908,132.75

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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.