Finding the Fourth Proportional to 1,313,177.62, 1,813,028.51 and 823,818.05
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Solution
The fourth proportional to 1,313,177.62, 1,813,028.51 and 823,818.05 is: 1,137,398.01
Step by Step Solution
- Step 1: Write the proportion equation
1,313,177.62 : 1,813,028.51 = 823,818.05 : x - Step 2: Convert to fraction form
1,313,177.62/1,813,028.51 = 823,818.05/x - Step 3: Cross multiply
1,313,177.62x = 1,813,028.51 × 823,818.05 - Step 4: Simplify right side
1,313,177.62x = 1,493,605,607,583.52 - Step 5: Solve for x
x = 1,493,605,607,583.52/1,313,177.62 - Step 6: Final answer
x = 1,137,398.01
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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.