Finding the Fourth Proportional to 1,067,392.08, 1,474,210.44 and 727,269.84
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Solution
The fourth proportional to 1,067,392.08, 1,474,210.44 and 727,269.84 is: 1,004,456.39
Step by Step Solution
- Step 1: Write the proportion equation
1,067,392.08 : 1,474,210.44 = 727,269.84 : x - Step 2: Convert to fraction form
1,067,392.08/1,474,210.44 = 727,269.84/x - Step 3: Cross multiply
1,067,392.08x = 1,474,210.44 × 727,269.84 - Step 4: Simplify right side
1,067,392.08x = 1,072,148,790,825.13 - Step 5: Solve for x
x = 1,072,148,790,825.13/1,067,392.08 - Step 6: Final answer
x = 1,004,456.39
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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.