Finding the Fourth Proportional to 1,332,412.99, 1,838,744.44 and 720,577.70
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Solution
The fourth proportional to 1,332,412.99, 1,838,744.44 and 720,577.70 is: 994,405.07
Step by Step Solution
- Step 1: Write the proportion equation
1,332,412.99 : 1,838,744.44 = 720,577.70 : x - Step 2: Convert to fraction form
1,332,412.99/1,838,744.44 = 720,577.70/x - Step 3: Cross multiply
1,332,412.99x = 1,838,744.44 × 720,577.70 - Step 4: Simplify right side
1,332,412.99x = 1,324,958,228,467.82 - Step 5: Solve for x
x = 1,324,958,228,467.82/1,332,412.99 - Step 6: Final answer
x = 994,405.07
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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.