Finding the Fourth Proportional to 1,313,195.69, 1,813,053.31 and 823,835.99
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Solution
The fourth proportional to 1,313,195.69, 1,813,053.31 and 823,835.99 is: 1,137,422.69
Step by Step Solution
- Step 1: Write the proportion equation
1,313,195.69 : 1,813,053.31 = 823,835.99 : x - Step 2: Convert to fraction form
1,313,195.69/1,813,053.31 = 823,835.99/x - Step 3: Cross multiply
1,313,195.69x = 1,813,053.31 × 823,835.99 - Step 4: Simplify right side
1,313,195.69x = 1,493,658,571,039.67 - Step 5: Solve for x
x = 1,493,658,571,039.67/1,313,195.69 - Step 6: Final answer
x = 1,137,422.69
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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.