Finding the Fourth Proportional to 1,259,258.77, 1,737,726.51 and 686,286.64
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Solution
The fourth proportional to 1,259,258.77, 1,737,726.51 and 686,286.64 is: 947,047.99
Step by Step Solution
- Step 1: Write the proportion equation
1,259,258.77 : 1,737,726.51 = 686,286.64 : x - Step 2: Convert to fraction form
1,259,258.77/1,737,726.51 = 686,286.64/x - Step 3: Cross multiply
1,259,258.77x = 1,737,726.51 × 686,286.64 - Step 4: Simplify right side
1,259,258.77x = 1,192,578,487,786.83 - Step 5: Solve for x
x = 1,192,578,487,786.83/1,259,258.77 - Step 6: Final answer
x = 947,047.99
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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.