Finding the Fourth Proportional to 1,292,771.41, 1,939,289.55 and 494,724.17
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Solution
The fourth proportional to 1,292,771.41, 1,939,289.55 and 494,724.17 is: 742,136.94
Step by Step Solution
- Step 1: Write the proportion equation
1,292,771.41 : 1,939,289.55 = 494,724.17 : x - Step 2: Convert to fraction form
1,292,771.41/1,939,289.55 = 494,724.17/x - Step 3: Cross multiply
1,292,771.41x = 1,939,289.55 × 494,724.17 - Step 4: Simplify right side
1,292,771.41x = 959,413,416,006.43 - Step 5: Solve for x
x = 959,413,416,006.43/1,292,771.41 - Step 6: Final answer
x = 742,136.94
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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.