Finding the Fourth Proportional to 1,349,178.93, 1,862,197.56 and 768,744.27
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Solution
The fourth proportional to 1,349,178.93, 1,862,197.56 and 768,744.27 is: 1,061,055.48
Step by Step Solution
- Step 1: Write the proportion equation
1,349,178.93 : 1,862,197.56 = 768,744.27 : x - Step 2: Convert to fraction form
1,349,178.93/1,862,197.56 = 768,744.27/x - Step 3: Cross multiply
1,349,178.93x = 1,862,197.56 × 768,744.27 - Step 4: Simplify right side
1,349,178.93x = 1,431,553,703,857.98 - Step 5: Solve for x
x = 1,431,553,703,857.98/1,349,178.93 - Step 6: Final answer
x = 1,061,055.48
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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.