Finding the Fourth Proportional to 1,122,204.40, 1,683,543.33 and 363,986.99
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Solution
The fourth proportional to 1,122,204.40, 1,683,543.33 and 363,986.99 is: 546,057.26
Step by Step Solution
- Step 1: Write the proportion equation
1,122,204.40 : 1,683,543.33 = 363,986.99 : x - Step 2: Convert to fraction form
1,122,204.40/1,683,543.33 = 363,986.99/x - Step 3: Cross multiply
1,122,204.40x = 1,683,543.33 × 363,986.99 - Step 4: Simplify right side
1,122,204.40x = 612,787,860,803.56 - Step 5: Solve for x
x = 612,787,860,803.56/1,122,204.40 - Step 6: Final answer
x = 546,057.26
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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.