Finding the Fourth Proportional to 1,310,896.62, 1,809,071.55 and 737,957.70
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Solution
The fourth proportional to 1,310,896.62, 1,809,071.55 and 737,957.70 is: 1,018,400.89
Step by Step Solution
- Step 1: Write the proportion equation
1,310,896.62 : 1,809,071.55 = 737,957.70 : x - Step 2: Convert to fraction form
1,310,896.62/1,809,071.55 = 737,957.70/x - Step 3: Cross multiply
1,310,896.62x = 1,809,071.55 × 737,957.70 - Step 4: Simplify right side
1,310,896.62x = 1,335,018,280,173.44 - Step 5: Solve for x
x = 1,335,018,280,173.44/1,310,896.62 - Step 6: Final answer
x = 1,018,400.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.