Finding the Fourth Proportional to 1,343,791.16, 1,854,366.28 and 762,938.14
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Solution
The fourth proportional to 1,343,791.16, 1,854,366.28 and 762,938.14 is: 1,052,817.43
Step by Step Solution
- Step 1: Write the proportion equation
1,343,791.16 : 1,854,366.28 = 762,938.14 : x - Step 2: Convert to fraction form
1,343,791.16/1,854,366.28 = 762,938.14/x - Step 3: Cross multiply
1,343,791.16x = 1,854,366.28 × 762,938.14 - Step 4: Simplify right side
1,343,791.16x = 1,414,766,747,455.40 - Step 5: Solve for x
x = 1,414,766,747,455.40/1,343,791.16 - Step 6: Final answer
x = 1,052,817.43
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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.