Finding the Fourth Proportional to 1,395,815.18, 2,092,578.69 and 496,744.95
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Solution
The fourth proportional to 1,395,815.18, 2,092,578.69 and 496,744.95 is: 744,710.27
Step by Step Solution
- Step 1: Write the proportion equation
1,395,815.18 : 2,092,578.69 = 496,744.95 : x - Step 2: Convert to fraction form
1,395,815.18/2,092,578.69 = 496,744.95/x - Step 3: Cross multiply
1,395,815.18x = 2,092,578.69 × 496,744.95 - Step 4: Simplify right side
1,395,815.18x = 1,039,477,896,735.12 - Step 5: Solve for x
x = 1,039,477,896,735.12/1,395,815.18 - Step 6: Final answer
x = 744,710.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.