Finding the Fourth Proportional to 1,021,172.84, 1,409,407.44 and 591,452.84
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Solution
The fourth proportional to 1,021,172.84, 1,409,407.44 and 591,452.84 is: 816,314.34
Step by Step Solution
- Step 1: Write the proportion equation
1,021,172.84 : 1,409,407.44 = 591,452.84 : x - Step 2: Convert to fraction form
1,021,172.84/1,409,407.44 = 591,452.84/x - Step 3: Cross multiply
1,021,172.84x = 1,409,407.44 × 591,452.84 - Step 4: Simplify right side
1,021,172.84x = 833,598,033,105.13 - Step 5: Solve for x
x = 833,598,033,105.13/1,021,172.84 - Step 6: Final answer
x = 816,314.34
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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.