Finding the Fourth Proportional to 1,243,206.52, 1,715,607.14 and 691,918.49
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Solution
The fourth proportional to 1,243,206.52, 1,715,607.14 and 691,918.49 is: 954,837.58
Step by Step Solution
- Step 1: Write the proportion equation
1,243,206.52 : 1,715,607.14 = 691,918.49 : x - Step 2: Convert to fraction form
1,243,206.52/1,715,607.14 = 691,918.49/x - Step 3: Cross multiply
1,243,206.52x = 1,715,607.14 × 691,918.49 - Step 4: Simplify right side
1,243,206.52x = 1,187,060,302,571.44 - Step 5: Solve for x
x = 1,187,060,302,571.44/1,243,206.52 - Step 6: Final answer
x = 954,837.58
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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.