Finding the Fourth Proportional to 1,212,397.99, 1,673,683.11 and 702,914.47
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Solution
The fourth proportional to 1,212,397.99, 1,673,683.11 and 702,914.47 is: 970,354.69
Step by Step Solution
- Step 1: Write the proportion equation
1,212,397.99 : 1,673,683.11 = 702,914.47 : x - Step 2: Convert to fraction form
1,212,397.99/1,673,683.11 = 702,914.47/x - Step 3: Cross multiply
1,212,397.99x = 1,673,683.11 × 702,914.47 - Step 4: Simplify right side
1,212,397.99x = 1,176,456,076,213.60 - Step 5: Solve for x
x = 1,176,456,076,213.60/1,212,397.99 - Step 6: Final answer
x = 970,354.69
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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.