Finding the Fourth Proportional to 1,267,474.12, 1,901,212.56 and 320,844.84
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Solution
The fourth proportional to 1,267,474.12, 1,901,212.56 and 320,844.84 is: 481,267.61
Step by Step Solution
- Step 1: Write the proportion equation
1,267,474.12 : 1,901,212.56 = 320,844.84 : x - Step 2: Convert to fraction form
1,267,474.12/1,901,212.56 = 320,844.84/x - Step 3: Cross multiply
1,267,474.12x = 1,901,212.56 × 320,844.84 - Step 4: Simplify right side
1,267,474.12x = 609,994,239,619.19 - Step 5: Solve for x
x = 609,994,239,619.19/1,267,474.12 - Step 6: Final answer
x = 481,267.61
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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.