Finding the Fourth Proportional to 1,368,273.06, 1,888,053.30 and 756,343.44
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Solution
The fourth proportional to 1,368,273.06, 1,888,053.30 and 756,343.44 is: 1,043,663.56
Step by Step Solution
- Step 1: Write the proportion equation
1,368,273.06 : 1,888,053.30 = 756,343.44 : x - Step 2: Convert to fraction form
1,368,273.06/1,888,053.30 = 756,343.44/x - Step 3: Cross multiply
1,368,273.06x = 1,888,053.30 × 756,343.44 - Step 4: Simplify right side
1,368,273.06x = 1,428,016,727,825.35 - Step 5: Solve for x
x = 1,428,016,727,825.35/1,368,273.06 - Step 6: Final answer
x = 1,043,663.56
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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.