Finding the Fourth Proportional to 1,265,728.97, 1,746,638.68 and 692,658.42
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Solution
The fourth proportional to 1,265,728.97, 1,746,638.68 and 692,658.42 is: 955,831.79
Step by Step Solution
- Step 1: Write the proportion equation
1,265,728.97 : 1,746,638.68 = 692,658.42 : x - Step 2: Convert to fraction form
1,265,728.97/1,746,638.68 = 692,658.42/x - Step 3: Cross multiply
1,265,728.97x = 1,746,638.68 × 692,658.42 - Step 4: Simplify right side
1,265,728.97x = 1,209,823,988,399.69 - Step 5: Solve for x
x = 1,209,823,988,399.69/1,265,728.97 - Step 6: Final answer
x = 955,831.79
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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.