Finding the Fourth Proportional to 994,631.40, 1,490,190.30 and 961,741.80
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Solution
The fourth proportional to 994,631.40, 1,490,190.30 and 961,741.80 is: 1,440,913.99
Step by Step Solution
- Step 1: Write the proportion equation
994,631.40 : 1,490,190.30 = 961,741.80 : x - Step 2: Convert to fraction form
994,631.40/1,490,190.30 = 961,741.80/x - Step 3: Cross multiply
994,631.40x = 1,490,190.30 × 961,741.80 - Step 4: Simplify right side
994,631.40x = 1,433,178,301,464.54 - Step 5: Solve for x
x = 1,433,178,301,464.54/994,631.40 - Step 6: Final answer
x = 1,440,913.99
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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.