Finding the Fourth Proportional to 1,369,242.65, 1,889,409.44 and 757,298.18
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Solution
The fourth proportional to 1,369,242.65, 1,889,409.44 and 757,298.18 is: 1,044,991.06
Step by Step Solution
- Step 1: Write the proportion equation
1,369,242.65 : 1,889,409.44 = 757,298.18 : x - Step 2: Convert to fraction form
1,369,242.65/1,889,409.44 = 757,298.18/x - Step 3: Cross multiply
1,369,242.65x = 1,889,409.44 × 757,298.18 - Step 4: Simplify right side
1,369,242.65x = 1,430,846,322,633.02 - Step 5: Solve for x
x = 1,430,846,322,633.02/1,369,242.65 - Step 6: Final answer
x = 1,044,991.06
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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.