Finding the Fourth Proportional to 1,384,392.44, 1,910,461.65 and 764,197.79
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Solution
The fourth proportional to 1,384,392.44, 1,910,461.65 and 764,197.79 is: 1,054,592.99
Step by Step Solution
- Step 1: Write the proportion equation
1,384,392.44 : 1,910,461.65 = 764,197.79 : x - Step 2: Convert to fraction form
1,384,392.44/1,910,461.65 = 764,197.79/x - Step 3: Cross multiply
1,384,392.44x = 1,910,461.65 × 764,197.79 - Step 4: Simplify right side
1,384,392.44x = 1,459,970,558,391.70 - Step 5: Solve for x
x = 1,459,970,558,391.70/1,384,392.44 - Step 6: Final answer
x = 1,054,592.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.