Finding the Fourth Proportional to 1,149,772.53, 1,587,343.77 and 763,112.30
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Solution
The fourth proportional to 1,149,772.53, 1,587,343.77 and 763,112.30 is: 1,053,531.48
Step by Step Solution
- Step 1: Write the proportion equation
1,149,772.53 : 1,587,343.77 = 763,112.30 : x - Step 2: Convert to fraction form
1,149,772.53/1,587,343.77 = 763,112.30/x - Step 3: Cross multiply
1,149,772.53x = 1,587,343.77 × 763,112.30 - Step 4: Simplify right side
1,149,772.53x = 1,211,321,559,183.73 - Step 5: Solve for x
x = 1,211,321,559,183.73/1,149,772.53 - Step 6: Final answer
x = 1,053,531.48
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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.