Finding the Fourth Proportional to 1,235,881.25, 1,853,144.58 and 382,716.05
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Solution
The fourth proportional to 1,235,881.25, 1,853,144.58 and 382,716.05 is: 573,864.34
Step by Step Solution
- Step 1: Write the proportion equation
1,235,881.25 : 1,853,144.58 = 382,716.05 : x - Step 2: Convert to fraction form
1,235,881.25/1,853,144.58 = 382,716.05/x - Step 3: Cross multiply
1,235,881.25x = 1,853,144.58 × 382,716.05 - Step 4: Simplify right side
1,235,881.25x = 709,228,173,736.51 - Step 5: Solve for x
x = 709,228,173,736.51/1,235,881.25 - Step 6: Final answer
x = 573,864.34
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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.