Finding the Fourth Proportional to 1,504,268.58, 2,075,878.44 and 815,938.71
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Solution
The fourth proportional to 1,504,268.58, 2,075,878.44 and 815,938.71 is: 1,125,988.80
Step by Step Solution
- Step 1: Write the proportion equation
1,504,268.58 : 2,075,878.44 = 815,938.71 : x - Step 2: Convert to fraction form
1,504,268.58/2,075,878.44 = 815,938.71/x - Step 3: Cross multiply
1,504,268.58x = 2,075,878.44 × 815,938.71 - Step 4: Simplify right side
1,504,268.58x = 1,693,789,576,450.41 - Step 5: Solve for x
x = 1,693,789,576,450.41/1,504,268.58 - Step 6: Final answer
x = 1,125,988.80
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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.