Finding the Fourth Proportional to 1,259,228.36, 1,737,684.42 and 686,256.20
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Solution
The fourth proportional to 1,259,228.36, 1,737,684.42 and 686,256.20 is: 947,005.92
Step by Step Solution
- Step 1: Write the proportion equation
1,259,228.36 : 1,737,684.42 = 686,256.20 : x - Step 2: Convert to fraction form
1,259,228.36/1,737,684.42 = 686,256.20/x - Step 3: Cross multiply
1,259,228.36x = 1,737,684.42 × 686,256.20 - Step 4: Simplify right side
1,259,228.36x = 1,192,496,706,868.40 - Step 5: Solve for x
x = 1,192,496,706,868.40/1,259,228.36 - Step 6: Final answer
x = 947,005.92
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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.