Finding the Fourth Proportional to 1,374,498.63, 1,896,912.36 and 762,767.46
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Solution
The fourth proportional to 1,374,498.63, 1,896,912.36 and 762,767.46 is: 1,052,676.95
Step by Step Solution
- Step 1: Write the proportion equation
1,374,498.63 : 1,896,912.36 = 762,767.46 : x - Step 2: Convert to fraction form
1,374,498.63/1,896,912.36 = 762,767.46/x - Step 3: Cross multiply
1,374,498.63x = 1,896,912.36 × 762,767.46 - Step 4: Simplify right side
1,374,498.63x = 1,446,903,022,679.81 - Step 5: Solve for x
x = 1,446,903,022,679.81/1,374,498.63 - Step 6: Final answer
x = 1,052,676.95
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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.