Home / 990,013.20-1,485,019.80-848,295.60

Finding the Fourth Proportional to 990,013.20, 1,485,019.80 and 848,295.60

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Solution

The fourth proportional to 990,013.20, 1,485,019.80 and 848,295.60 is: 1,272,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,013.20 : 1,485,019.80 = 848,295.60 : x
  2. Step 2: Convert to fraction form
    990,013.20/1,485,019.80 = 848,295.60/x
  3. Step 3: Cross multiply
    990,013.20x = 1,485,019.80 × 848,295.60
  4. Step 4: Simplify right side
    990,013.20x = 1,259,735,762,252.88
  5. Step 5: Solve for x
    x = 1,259,735,762,252.88/990,013.20
  6. Step 6: Final answer
    x = 1,272,443.40

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1.5x scale

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.