Finding the Fourth Proportional to 1,266,157.00, 1,747,463.05 and 722,168.09
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Solution
The fourth proportional to 1,266,157.00, 1,747,463.05 and 722,168.09 is: 996,686.86
Step by Step Solution
- Step 1: Write the proportion equation
1,266,157.00 : 1,747,463.05 = 722,168.09 : x - Step 2: Convert to fraction form
1,266,157.00/1,747,463.05 = 722,168.09/x - Step 3: Cross multiply
1,266,157.00x = 1,747,463.05 × 722,168.09 - Step 4: Simplify right side
1,266,157.00x = 1,261,962,051,882.46 - Step 5: Solve for x
x = 1,261,962,051,882.46/1,266,157.00 - Step 6: Final answer
x = 996,686.86
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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.