Finding the Fourth Proportional to 1,259,773.95, 1,738,487.99 and 715,910.79
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Solution
The fourth proportional to 1,259,773.95, 1,738,487.99 and 715,910.79 is: 987,956.86
Step by Step Solution
- Step 1: Write the proportion equation
1,259,773.95 : 1,738,487.99 = 715,910.79 : x - Step 2: Convert to fraction form
1,259,773.95/1,738,487.99 = 715,910.79/x - Step 3: Cross multiply
1,259,773.95x = 1,738,487.99 × 715,910.79 - Step 4: Simplify right side
1,259,773.95x = 1,244,602,310,326.41 - Step 5: Solve for x
x = 1,244,602,310,326.41/1,259,773.95 - Step 6: Final answer
x = 987,956.86
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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.