Finding the Fourth Proportional to 1,368,593.22, 1,888,647.30 and 756,772.68
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Solution
The fourth proportional to 1,368,593.22, 1,888,647.30 and 756,772.68 is: 1,044,340.03
Step by Step Solution
- Step 1: Write the proportion equation
1,368,593.22 : 1,888,647.30 = 756,772.68 : x - Step 2: Convert to fraction form
1,368,593.22/1,888,647.30 = 756,772.68/x - Step 3: Cross multiply
1,368,593.22x = 1,888,647.30 × 756,772.68 - Step 4: Simplify right side
1,368,593.22x = 1,429,276,678,795.76 - Step 5: Solve for x
x = 1,429,276,678,795.76/1,368,593.22 - Step 6: Final answer
x = 1,044,340.03
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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.