Finding the Fourth Proportional to 1,115,504.88, 1,539,406.56 and 606,207.36
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Solution
The fourth proportional to 1,115,504.88, 1,539,406.56 and 606,207.36 is: 836,571.50
Step by Step Solution
- Step 1: Write the proportion equation
1,115,504.88 : 1,539,406.56 = 606,207.36 : x - Step 2: Convert to fraction form
1,115,504.88/1,539,406.56 = 606,207.36/x - Step 3: Cross multiply
1,115,504.88x = 1,539,406.56 × 606,207.36 - Step 4: Simplify right side
1,115,504.88x = 933,199,586,704.28 - Step 5: Solve for x
x = 933,199,586,704.28/1,115,504.88 - Step 6: Final answer
x = 836,571.50
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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.