Finding the Fourth Proportional to 1,177,122.84, 1,765,850.26 and 378,136.51
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Solution
The fourth proportional to 1,177,122.84, 1,765,850.26 and 378,136.51 is: 567,258.09
Step by Step Solution
- Step 1: Write the proportion equation
1,177,122.84 : 1,765,850.26 = 378,136.51 : x - Step 2: Convert to fraction form
1,177,122.84/1,765,850.26 = 378,136.51/x - Step 3: Cross multiply
1,177,122.84x = 1,765,850.26 × 378,136.51 - Step 4: Simplify right side
1,177,122.84x = 667,732,454,498.99 - Step 5: Solve for x
x = 667,732,454,498.99/1,177,122.84 - Step 6: Final answer
x = 567,258.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.