Finding the Fourth Proportional to 1,266,516.23, 1,747,739.90 and 693,546.53
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Solution
The fourth proportional to 1,266,516.23, 1,747,739.90 and 693,546.53 is: 957,065.46
Step by Step Solution
- Step 1: Write the proportion equation
1,266,516.23 : 1,747,739.90 = 693,546.53 : x - Step 2: Convert to fraction form
1,266,516.23/1,747,739.90 = 693,546.53/x - Step 3: Cross multiply
1,266,516.23x = 1,747,739.90 × 693,546.53 - Step 4: Simplify right side
1,266,516.23x = 1,212,138,935,982.71 - Step 5: Solve for x
x = 1,212,138,935,982.71/1,266,516.23 - Step 6: Final answer
x = 957,065.46
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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.