Finding the Fourth Proportional to 1,296,290.49, 1,788,613.82 and 744,899.69
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Solution
The fourth proportional to 1,296,290.49, 1,788,613.82 and 744,899.69 is: 1,027,808.12
Step by Step Solution
- Step 1: Write the proportion equation
1,296,290.49 : 1,788,613.82 = 744,899.69 : x - Step 2: Convert to fraction form
1,296,290.49/1,788,613.82 = 744,899.69/x - Step 3: Cross multiply
1,296,290.49x = 1,788,613.82 × 744,899.69 - Step 4: Simplify right side
1,296,290.49x = 1,332,337,883,588.13 - Step 5: Solve for x
x = 1,332,337,883,588.13/1,296,290.49 - Step 6: Final answer
x = 1,027,808.12
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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.