Finding the Fourth Proportional to 1,327,668.34, 1,831,907.49 and 776,277.94
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Solution
The fourth proportional to 1,327,668.34, 1,831,907.49 and 776,277.94 is: 1,071,102.87
Step by Step Solution
- Step 1: Write the proportion equation
1,327,668.34 : 1,831,907.49 = 776,277.94 : x - Step 2: Convert to fraction form
1,327,668.34/1,831,907.49 = 776,277.94/x - Step 3: Cross multiply
1,327,668.34x = 1,831,907.49 × 776,277.94 - Step 4: Simplify right side
1,327,668.34x = 1,422,069,372,607.77 - Step 5: Solve for x
x = 1,422,069,372,607.77/1,327,668.34 - Step 6: Final answer
x = 1,071,102.87
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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.