Finding the Fourth Proportional to 1,276,121.68, 1,914,514.80 and 477,465.68
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Solution
The fourth proportional to 1,276,121.68, 1,914,514.80 and 477,465.68 is: 716,322.84
Step by Step Solution
- Step 1: Write the proportion equation
1,276,121.68 : 1,914,514.80 = 477,465.68 : x - Step 2: Convert to fraction form
1,276,121.68/1,914,514.80 = 477,465.68/x - Step 3: Cross multiply
1,276,121.68x = 1,914,514.80 × 477,465.68 - Step 4: Simplify right side
1,276,121.68x = 914,115,110,852.06 - Step 5: Solve for x
x = 914,115,110,852.06/1,276,121.68 - Step 6: Final answer
x = 716,322.84
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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.