Finding the Fourth Proportional to 1,203,824.40, 1,661,488.72 and 914,393.99
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Solution
The fourth proportional to 1,203,824.40, 1,661,488.72 and 914,393.99 is: 1,262,024.00
Step by Step Solution
- Step 1: Write the proportion equation
1,203,824.40 : 1,661,488.72 = 914,393.99 : x - Step 2: Convert to fraction form
1,203,824.40/1,661,488.72 = 914,393.99/x - Step 3: Cross multiply
1,203,824.40x = 1,661,488.72 × 914,393.99 - Step 4: Simplify right side
1,203,824.40x = 1,519,255,289,427.36 - Step 5: Solve for x
x = 1,519,255,289,427.36/1,203,824.40 - Step 6: Final answer
x = 1,262,024.00
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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.