Finding the Fourth Proportional to 1,161,697.37, 1,603,315.56 and 916,119.14
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Solution
The fourth proportional to 1,161,697.37, 1,603,315.56 and 916,119.14 is: 1,264,380.99
Step by Step Solution
- Step 1: Write the proportion equation
1,161,697.37 : 1,603,315.56 = 916,119.14 : x - Step 2: Convert to fraction form
1,161,697.37/1,603,315.56 = 916,119.14/x - Step 3: Cross multiply
1,161,697.37x = 1,603,315.56 × 916,119.14 - Step 4: Simplify right side
1,161,697.37x = 1,468,828,063,959.24 - Step 5: Solve for x
x = 1,468,828,063,959.24/1,161,697.37 - Step 6: Final answer
x = 1,264,380.99
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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.