Finding the Fourth Proportional to 1,266,484.43, 1,747,762.58 and 685,720.42
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Solution
The fourth proportional to 1,266,484.43, 1,747,762.58 and 685,720.42 is: 946,301.80
Step by Step Solution
- Step 1: Write the proportion equation
1,266,484.43 : 1,747,762.58 = 685,720.42 : x - Step 2: Convert to fraction form
1,266,484.43/1,747,762.58 = 685,720.42/x - Step 3: Cross multiply
1,266,484.43x = 1,747,762.58 × 685,720.42 - Step 4: Simplify right side
1,266,484.43x = 1,198,476,490,417.88 - Step 5: Solve for x
x = 1,198,476,490,417.88/1,266,484.43 - Step 6: Final answer
x = 946,301.80
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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.