Finding the Fourth Proportional to 1,427,270.94, 1,969,660.90 and 782,652.68
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Solution
The fourth proportional to 1,427,270.94, 1,969,660.90 and 782,652.68 is: 1,080,075.51
Step by Step Solution
- Step 1: Write the proportion equation
1,427,270.94 : 1,969,660.90 = 782,652.68 : x - Step 2: Convert to fraction form
1,427,270.94/1,969,660.90 = 782,652.68/x - Step 3: Cross multiply
1,427,270.94x = 1,969,660.90 × 782,652.68 - Step 4: Simplify right side
1,427,270.94x = 1,541,560,382,076.21 - Step 5: Solve for x
x = 1,541,560,382,076.21/1,427,270.94 - Step 6: Final answer
x = 1,080,075.51
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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.