Finding the Fourth Proportional to 1,201,193.84, 1,657,647.62 and 657,329.60
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Solution
The fourth proportional to 1,201,193.84, 1,657,647.62 and 657,329.60 is: 907,114.91
Step by Step Solution
- Step 1: Write the proportion equation
1,201,193.84 : 1,657,647.62 = 657,329.60 : x - Step 2: Convert to fraction form
1,201,193.84/1,657,647.62 = 657,329.60/x - Step 3: Cross multiply
1,201,193.84x = 1,657,647.62 × 657,329.60 - Step 4: Simplify right side
1,201,193.84x = 1,089,620,843,708.90 - Step 5: Solve for x
x = 1,089,620,843,708.90/1,201,193.84 - Step 6: Final answer
x = 907,114.91
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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.