Finding the Fourth Proportional to 1,139,491.36, 1,706,344.51 and 683,796.09
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Solution
The fourth proportional to 1,139,491.36, 1,706,344.51 and 683,796.09 is: 1,023,958.36
Step by Step Solution
- Step 1: Write the proportion equation
1,139,491.36 : 1,706,344.51 = 683,796.09 : x - Step 2: Convert to fraction form
1,139,491.36/1,706,344.51 = 683,796.09/x - Step 3: Cross multiply
1,139,491.36x = 1,706,344.51 × 683,796.09 - Step 4: Simplify right side
1,139,491.36x = 1,166,791,704,130.97 - Step 5: Solve for x
x = 1,166,791,704,130.97/1,139,491.36 - Step 6: Final answer
x = 1,023,958.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.