Finding the Fourth Proportional to 966,621.20, 1,450,126.20 and 809,934.80
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Solution
The fourth proportional to 966,621.20, 1,450,126.20 and 809,934.80 is: 1,215,065.09
Step by Step Solution
- Step 1: Write the proportion equation
966,621.20 : 1,450,126.20 = 809,934.80 : x - Step 2: Convert to fraction form
966,621.20/1,450,126.20 = 809,934.80/x - Step 3: Cross multiply
966,621.20x = 1,450,126.20 × 809,934.80 - Step 4: Simplify right side
966,621.20x = 1,174,507,673,771.76 - Step 5: Solve for x
x = 1,174,507,673,771.76/966,621.20 - Step 6: Final answer
x = 1,215,065.09
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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.