Finding the Fourth Proportional to 1,276,907.52, 1,914,944.48 and 423,749.98
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Solution
The fourth proportional to 1,276,907.52, 1,914,944.48 and 423,749.98 is: 635,486.65
Step by Step Solution
- Step 1: Write the proportion equation
1,276,907.52 : 1,914,944.48 = 423,749.98 : x - Step 2: Convert to fraction form
1,276,907.52/1,914,944.48 = 423,749.98/x - Step 3: Cross multiply
1,276,907.52x = 1,914,944.48 × 423,749.98 - Step 4: Simplify right side
1,276,907.52x = 811,457,685,101.11 - Step 5: Solve for x
x = 811,457,685,101.11/1,276,907.52 - Step 6: Final answer
x = 635,486.65
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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.