Finding the Fourth Proportional to 1,129,566.40, 1,694,338.80 and 276,641.80
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Solution
The fourth proportional to 1,129,566.40, 1,694,338.80 and 276,641.80 is: 414,960.05
Step by Step Solution
- Step 1: Write the proportion equation
1,129,566.40 : 1,694,338.80 = 276,641.80 : x - Step 2: Convert to fraction form
1,129,566.40/1,694,338.80 = 276,641.80/x - Step 3: Cross multiply
1,129,566.40x = 1,694,338.80 × 276,641.80 - Step 4: Simplify right side
1,129,566.40x = 468,724,935,441.84 - Step 5: Solve for x
x = 468,724,935,441.84/1,129,566.40 - Step 6: Final answer
x = 414,960.05
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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.