Finding the Fourth Proportional to 1,259,070.96, 1,737,495 and 686,116.08
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Solution
The fourth proportional to 1,259,070.96, 1,737,495 and 686,116.08 is: 946,827.70
Step by Step Solution
- Step 1: Write the proportion equation
1,259,070.96 : 1,737,495 = 686,116.08 : x - Step 2: Convert to fraction form
1,259,070.96/1,737,495 = 686,116.08/x - Step 3: Cross multiply
1,259,070.96x = 1,737,495 × 686,116.08 - Step 4: Simplify right side
1,259,070.96x = 1,192,123,258,419.60 - Step 5: Solve for x
x = 1,192,123,258,419.60/1,259,070.96 - Step 6: Final answer
x = 946,827.70
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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.