Finding the Fourth Proportional to 1,320,177.08, 1,821,850.28 and 747,327.97
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Solution
The fourth proportional to 1,320,177.08, 1,821,850.28 and 747,327.97 is: 1,031,315.94
Step by Step Solution
- Step 1: Write the proportion equation
1,320,177.08 : 1,821,850.28 = 747,327.97 : x - Step 2: Convert to fraction form
1,320,177.08/1,821,850.28 = 747,327.97/x - Step 3: Cross multiply
1,320,177.08x = 1,821,850.28 × 747,327.97 - Step 4: Simplify right side
1,320,177.08x = 1,361,519,672,739.48 - Step 5: Solve for x
x = 1,361,519,672,739.48/1,320,177.08 - Step 6: Final answer
x = 1,031,315.94
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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.