Home / 984,907.20-1,477,360.80-816,945.60

Finding the Fourth Proportional to 984,907.20, 1,477,360.80 and 816,945.60

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Solution

The fourth proportional to 984,907.20, 1,477,360.80 and 816,945.60 is: 1,225,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,907.20 : 1,477,360.80 = 816,945.60 : x
  2. Step 2: Convert to fraction form
    984,907.20/1,477,360.80 = 816,945.60/x
  3. Step 3: Cross multiply
    984,907.20x = 1,477,360.80 × 816,945.60
  4. Step 4: Simplify right side
    984,907.20x = 1,206,923,405,172.48
  5. Step 5: Solve for x
    x = 1,206,923,405,172.48/984,907.20
  6. Step 6: Final answer
    x = 1,225,418.40

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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.