Finding the Fourth Proportional to 1,504,193.25, 2,075,787.09 and 825,129.75
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Solution
The fourth proportional to 1,504,193.25, 2,075,787.09 and 825,129.75 is: 1,138,679.28
Step by Step Solution
- Step 1: Write the proportion equation
1,504,193.25 : 2,075,787.09 = 825,129.75 : x - Step 2: Convert to fraction form
1,504,193.25/2,075,787.09 = 825,129.75/x - Step 3: Cross multiply
1,504,193.25x = 2,075,787.09 × 825,129.75 - Step 4: Simplify right side
1,504,193.25x = 1,712,793,682,624.93 - Step 5: Solve for x
x = 1,712,793,682,624.93/1,504,193.25 - Step 6: Final answer
x = 1,138,679.28
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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.