Finding the Fourth Proportional to 1,379,415.96, 2,067,230.16 and 704,074.68
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Solution
The fourth proportional to 1,379,415.96, 2,067,230.16 and 704,074.68 is: 1,055,145.41
Step by Step Solution
- Step 1: Write the proportion equation
1,379,415.96 : 2,067,230.16 = 704,074.68 : x - Step 2: Convert to fraction form
1,379,415.96/2,067,230.16 = 704,074.68/x - Step 3: Cross multiply
1,379,415.96x = 2,067,230.16 × 704,074.68 - Step 4: Simplify right side
1,379,415.96x = 1,455,484,413,388.35 - Step 5: Solve for x
x = 1,455,484,413,388.35/1,379,415.96 - Step 6: Final answer
x = 1,055,145.41
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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.