Finding the Fourth Proportional to 1,332,522.50, 1,838,881.12 and 720,675.09
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Solution
The fourth proportional to 1,332,522.50, 1,838,881.12 and 720,675.09 is: 994,531.67
Step by Step Solution
- Step 1: Write the proportion equation
1,332,522.50 : 1,838,881.12 = 720,675.09 : x - Step 2: Convert to fraction form
1,332,522.50/1,838,881.12 = 720,675.09/x - Step 3: Cross multiply
1,332,522.50x = 1,838,881.12 × 720,675.09 - Step 4: Simplify right side
1,332,522.50x = 1,325,235,816,204.88 - Step 5: Solve for x
x = 1,325,235,816,204.88/1,332,522.50 - Step 6: Final answer
x = 994,531.67
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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.