Home / 996,400.80-1,494,601.20-987,069.60

Finding the Fourth Proportional to 996,400.80, 1,494,601.20 and 987,069.60

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Solution

The fourth proportional to 996,400.80, 1,494,601.20 and 987,069.60 is: 1,480,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,400.80 : 1,494,601.20 = 987,069.60 : x
  2. Step 2: Convert to fraction form
    996,400.80/1,494,601.20 = 987,069.60/x
  3. Step 3: Cross multiply
    996,400.80x = 1,494,601.20 × 987,069.60
  4. Step 4: Simplify right side
    996,400.80x = 1,475,275,408,643.52
  5. Step 5: Solve for x
    x = 1,475,275,408,643.52/996,400.80
  6. Step 6: Final answer
    x = 1,480,604.40

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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.