Home / 1,485,691.20-2,228,277.60-538,574.40

Finding the Fourth Proportional to 1,485,691.20, 2,228,277.60 and 538,574.40

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Solution

The fourth proportional to 1,485,691.20, 2,228,277.60 and 538,574.40 is: 807,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,691.20 : 2,228,277.60 = 538,574.40 : x
  2. Step 2: Convert to fraction form
    1,485,691.20/2,228,277.60 = 538,574.40/x
  3. Step 3: Cross multiply
    1,485,691.20x = 2,228,277.60 × 538,574.40
  4. Step 4: Simplify right side
    1,485,691.20x = 1,200,093,271,453.44
  5. Step 5: Solve for x
    x = 1,200,093,271,453.44/1,485,691.20
  6. Step 6: Final answer
    x = 807,767.64

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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.