Finding the Fourth Proportional to 1,196,979.97, 1,795,337.32 and 428,446.98
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Solution
The fourth proportional to 1,196,979.97, 1,795,337.32 and 428,446.98 is: 642,622.99
Step by Step Solution
- Step 1: Write the proportion equation
1,196,979.97 : 1,795,337.32 = 428,446.98 : x - Step 2: Convert to fraction form
1,196,979.97/1,795,337.32 = 428,446.98/x - Step 3: Cross multiply
1,196,979.97x = 1,795,337.32 × 428,446.98 - Step 4: Simplify right side
1,196,979.97x = 769,206,852,835.29 - Step 5: Solve for x
x = 769,206,852,835.29/1,196,979.97 - Step 6: Final answer
x = 642,622.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.