Home / 990,037.20-1,485,055.80-848,319.60

Finding the Fourth Proportional to 990,037.20, 1,485,055.80 and 848,319.60

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Solution

The fourth proportional to 990,037.20, 1,485,055.80 and 848,319.60 is: 1,272,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,037.20 : 1,485,055.80 = 848,319.60 : x
  2. Step 2: Convert to fraction form
    990,037.20/1,485,055.80 = 848,319.60/x
  3. Step 3: Cross multiply
    990,037.20x = 1,485,055.80 × 848,319.60
  4. Step 4: Simplify right side
    990,037.20x = 1,259,801,942,233.68
  5. Step 5: Solve for x
    x = 1,259,801,942,233.68/990,037.20
  6. Step 6: Final answer
    x = 1,272,479.40

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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.