Finding the Fourth Proportional to 1,269,847.09, 1,751,890.15 and 725,690.96
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Solution
The fourth proportional to 1,269,847.09, 1,751,890.15 and 725,690.96 is: 1,001,168.45
Step by Step Solution
- Step 1: Write the proportion equation
1,269,847.09 : 1,751,890.15 = 725,690.96 : x - Step 2: Convert to fraction form
1,269,847.09/1,751,890.15 = 725,690.96/x - Step 3: Cross multiply
1,269,847.09x = 1,751,890.15 × 725,690.96 - Step 4: Simplify right side
1,269,847.09x = 1,271,330,844,768.04 - Step 5: Solve for x
x = 1,271,330,844,768.04/1,269,847.09 - Step 6: Final answer
x = 1,001,168.45
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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.