Finding the Fourth Proportional to 1,259,324.24, 1,737,903.86 and 686,401.52
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Solution
The fourth proportional to 1,259,324.24, 1,737,903.86 and 686,401.52 is: 947,253.94
Step by Step Solution
- Step 1: Write the proportion equation
1,259,324.24 : 1,737,903.86 = 686,401.52 : x - Step 2: Convert to fraction form
1,259,324.24/1,737,903.86 = 686,401.52/x - Step 3: Cross multiply
1,259,324.24x = 1,737,903.86 × 686,401.52 - Step 4: Simplify right side
1,259,324.24x = 1,192,899,851,117.87 - Step 5: Solve for x
x = 1,192,899,851,117.87/1,259,324.24 - Step 6: Final answer
x = 947,253.94
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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.