Finding the Fourth Proportional to 1,350,483.21, 1,863,459.77 and 777,412.62
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Solution
The fourth proportional to 1,350,483.21, 1,863,459.77 and 777,412.62 is: 1,072,710.22
Step by Step Solution
- Step 1: Write the proportion equation
1,350,483.21 : 1,863,459.77 = 777,412.62 : x - Step 2: Convert to fraction form
1,350,483.21/1,863,459.77 = 777,412.62/x - Step 3: Cross multiply
1,350,483.21x = 1,863,459.77 × 777,412.62 - Step 4: Simplify right side
1,350,483.21x = 1,448,677,138,173.23 - Step 5: Solve for x
x = 1,448,677,138,173.23/1,350,483.21 - Step 6: Final answer
x = 1,072,710.22
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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.