Finding the Fourth Proportional to 1,723,705.21, 2,585,734.41 and 659,642.23
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Solution
The fourth proportional to 1,723,705.21, 2,585,734.41 and 659,642.23 is: 989,530.93
Step by Step Solution
- Step 1: Write the proportion equation
1,723,705.21 : 2,585,734.41 = 659,642.23 : x - Step 2: Convert to fraction form
1,723,705.21/2,585,734.41 = 659,642.23/x - Step 3: Cross multiply
1,723,705.21x = 2,585,734.41 × 659,642.23 - Step 4: Simplify right side
1,723,705.21x = 1,705,659,612,400.13 - Step 5: Solve for x
x = 1,705,659,612,400.13/1,723,705.21 - Step 6: Final answer
x = 989,530.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.