Finding the Fourth Proportional to 1,129,465.94, 1,694,166.57 and 319,848.44
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Solution
The fourth proportional to 1,129,465.94, 1,694,166.57 and 319,848.44 is: 479,763.50
Step by Step Solution
- Step 1: Write the proportion equation
1,129,465.94 : 1,694,166.57 = 319,848.44 : x - Step 2: Convert to fraction form
1,129,465.94/1,694,166.57 = 319,848.44/x - Step 3: Cross multiply
1,129,465.94x = 1,694,166.57 × 319,848.44 - Step 4: Simplify right side
1,129,465.94x = 541,876,529,891.59 - Step 5: Solve for x
x = 541,876,529,891.59/1,129,465.94 - Step 6: Final answer
x = 479,763.50
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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.