Finding the Fourth Proportional to 1,215,745.03, 1,677,733.36 and 664,471.84
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Solution
The fourth proportional to 1,215,745.03, 1,677,733.36 and 664,471.84 is: 916,973.99
Step by Step Solution
- Step 1: Write the proportion equation
1,215,745.03 : 1,677,733.36 = 664,471.84 : x - Step 2: Convert to fraction form
1,215,745.03/1,677,733.36 = 664,471.84/x - Step 3: Cross multiply
1,215,745.03x = 1,677,733.36 × 664,471.84 - Step 4: Simplify right side
1,215,745.03x = 1,114,806,572,748.58 - Step 5: Solve for x
x = 1,114,806,572,748.58/1,215,745.03 - Step 6: Final answer
x = 916,973.99
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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.