Finding the Fourth Proportional to 1,202,664.40, 1,659,703.68 and 686,407.96
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Solution
The fourth proportional to 1,202,664.40, 1,659,703.68 and 686,407.96 is: 947,258.29
Step by Step Solution
- Step 1: Write the proportion equation
1,202,664.40 : 1,659,703.68 = 686,407.96 : x - Step 2: Convert to fraction form
1,202,664.40/1,659,703.68 = 686,407.96/x - Step 3: Cross multiply
1,202,664.40x = 1,659,703.68 × 686,407.96 - Step 4: Simplify right side
1,202,664.40x = 1,139,233,817,193.29 - Step 5: Solve for x
x = 1,139,233,817,193.29/1,202,664.40 - Step 6: Final answer
x = 947,258.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.