Finding the Fourth Proportional to 1,379,509.23, 2,068,660.59 and 695,975.54
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Solution
The fourth proportional to 1,379,509.23, 2,068,660.59 and 695,975.54 is: 1,043,658.95
Step by Step Solution
- Step 1: Write the proportion equation
1,379,509.23 : 2,068,660.59 = 695,975.54 : x - Step 2: Convert to fraction form
1,379,509.23/2,068,660.59 = 695,975.54/x - Step 3: Cross multiply
1,379,509.23x = 2,068,660.59 × 695,975.54 - Step 4: Simplify right side
1,379,509.23x = 1,439,737,160,858.67 - Step 5: Solve for x
x = 1,439,737,160,858.67/1,379,509.23 - Step 6: Final answer
x = 1,043,658.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.