Finding the Fourth Proportional to 1,242,536.49, 1,713,857.40 and 806,174.24
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Solution
The fourth proportional to 1,242,536.49, 1,713,857.40 and 806,174.24 is: 1,111,973.52
Step by Step Solution
- Step 1: Write the proportion equation
1,242,536.49 : 1,713,857.40 = 806,174.24 : x - Step 2: Convert to fraction form
1,242,536.49/1,713,857.40 = 806,174.24/x - Step 3: Cross multiply
1,242,536.49x = 1,713,857.40 × 806,174.24 - Step 4: Simplify right side
1,242,536.49x = 1,381,667,678,344.09 - Step 5: Solve for x
x = 1,381,667,678,344.09/1,242,536.49 - Step 6: Final answer
x = 1,111,973.52
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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.