Home / 1,485,132.84-2,228,023.08-845,738.64

Finding the Fourth Proportional to 1,485,132.84, 2,228,023.08 and 845,738.64

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Solution

The fourth proportional to 1,485,132.84, 2,228,023.08 and 845,738.64 is: 1,268,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,132.84 : 2,228,023.08 = 845,738.64 : x
  2. Step 2: Convert to fraction form
    1,485,132.84/2,228,023.08 = 845,738.64/x
  3. Step 3: Cross multiply
    1,485,132.84x = 2,228,023.08 × 845,738.64
  4. Step 4: Simplify right side
    1,485,132.84x = 1,884,325,209,567.81
  5. Step 5: Solve for x
    x = 1,884,325,209,567.81/1,485,132.84
  6. Step 6: Final answer
    x = 1,268,792.37

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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.