Finding the Fourth Proportional to 1,330,412.36, 1,995,669.97 and 465,679.85
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Solution
The fourth proportional to 1,330,412.36, 1,995,669.97 and 465,679.85 is: 698,537.77
Step by Step Solution
- Step 1: Write the proportion equation
1,330,412.36 : 1,995,669.97 = 465,679.85 : x - Step 2: Convert to fraction form
1,330,412.36/1,995,669.97 = 465,679.85/x - Step 3: Cross multiply
1,330,412.36x = 1,995,669.97 × 465,679.85 - Step 4: Simplify right side
1,330,412.36x = 929,343,281,136.56 - Step 5: Solve for x
x = 929,343,281,136.56/1,330,412.36 - Step 6: Final answer
x = 698,537.77
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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.