Finding the Fourth Proportional to 1,236,124.21, 1,704,551.46 and 914,503.99
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Solution
The fourth proportional to 1,236,124.21, 1,704,551.46 and 914,503.99 is: 1,261,053.78
Step by Step Solution
- Step 1: Write the proportion equation
1,236,124.21 : 1,704,551.46 = 914,503.99 : x - Step 2: Convert to fraction form
1,236,124.21/1,704,551.46 = 914,503.99/x - Step 3: Cross multiply
1,236,124.21x = 1,704,551.46 × 914,503.99 - Step 4: Simplify right side
1,236,124.21x = 1,558,819,106,835.59 - Step 5: Solve for x
x = 1,558,819,106,835.59/1,236,124.21 - Step 6: Final answer
x = 1,261,053.78
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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.