Finding the Fourth Proportional to 1,332,405.53, 1,838,696.70 and 751,629.92
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Solution
The fourth proportional to 1,332,405.53, 1,838,696.70 and 751,629.92 is: 1,037,236.35
Step by Step Solution
- Step 1: Write the proportion equation
1,332,405.53 : 1,838,696.70 = 751,629.92 : x - Step 2: Convert to fraction form
1,332,405.53/1,838,696.70 = 751,629.92/x - Step 3: Cross multiply
1,332,405.53x = 1,838,696.70 × 751,629.92 - Step 4: Simplify right side
1,332,405.53x = 1,382,019,453,525.26 - Step 5: Solve for x
x = 1,382,019,453,525.26/1,332,405.53 - Step 6: Final answer
x = 1,037,236.35
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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.