Finding the Fourth Proportional to 1,192,546.38, 1,788,830.18 and 339,617.36
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Solution
The fourth proportional to 1,192,546.38, 1,788,830.18 and 339,617.36 is: 509,429.06
Step by Step Solution
- Step 1: Write the proportion equation
1,192,546.38 : 1,788,830.18 = 339,617.36 : x - Step 2: Convert to fraction form
1,192,546.38/1,788,830.18 = 339,617.36/x - Step 3: Cross multiply
1,192,546.38x = 1,788,830.18 × 339,617.36 - Step 4: Simplify right side
1,192,546.38x = 607,517,783,219.93 - Step 5: Solve for x
x = 607,517,783,219.93/1,192,546.38 - Step 6: Final answer
x = 509,429.06
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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.