Finding the Fourth Proportional to 1,388,454.52, 2,080,304.34 and 757,810.84
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Solution
The fourth proportional to 1,388,454.52, 2,080,304.34 and 757,810.84 is: 1,135,418.67
Step by Step Solution
- Step 1: Write the proportion equation
1,388,454.52 : 2,080,304.34 = 757,810.84 : x - Step 2: Convert to fraction form
1,388,454.52/2,080,304.34 = 757,810.84/x - Step 3: Cross multiply
1,388,454.52x = 2,080,304.34 × 757,810.84 - Step 4: Simplify right side
1,388,454.52x = 1,576,477,179,351.05 - Step 5: Solve for x
x = 1,576,477,179,351.05/1,388,454.52 - Step 6: Final answer
x = 1,135,418.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.