Finding the Fourth Proportional to 1,415,253.42, 1,952,998.16 and 770,659.47
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Solution
The fourth proportional to 1,415,253.42, 1,952,998.16 and 770,659.47 is: 1,063,481.99
Step by Step Solution
- Step 1: Write the proportion equation
1,415,253.42 : 1,952,998.16 = 770,659.47 : x - Step 2: Convert to fraction form
1,415,253.42/1,952,998.16 = 770,659.47/x - Step 3: Cross multiply
1,415,253.42x = 1,952,998.16 × 770,659.47 - Step 4: Simplify right side
1,415,253.42x = 1,505,096,523,043.28 - Step 5: Solve for x
x = 1,505,096,523,043.28/1,415,253.42 - Step 6: Final answer
x = 1,063,481.99
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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.