Finding the Fourth Proportional to 1,272,025.81, 1,755,396.93 and 699,053.68
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Solution
The fourth proportional to 1,272,025.81, 1,755,396.93 and 699,053.68 is: 964,694.80
Step by Step Solution
- Step 1: Write the proportion equation
1,272,025.81 : 1,755,396.93 = 699,053.68 : x - Step 2: Convert to fraction form
1,272,025.81/1,755,396.93 = 699,053.68/x - Step 3: Cross multiply
1,272,025.81x = 1,755,396.93 × 699,053.68 - Step 4: Simplify right side
1,272,025.81x = 1,227,116,683,777.20 - Step 5: Solve for x
x = 1,227,116,683,777.20/1,272,025.81 - Step 6: Final answer
x = 964,694.80
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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.