Finding the Fourth Proportional to 1,261,037.88, 1,892,413.62 and 513,219.96
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Solution
The fourth proportional to 1,261,037.88, 1,892,413.62 and 513,219.96 is: 770,178.64
Step by Step Solution
- Step 1: Write the proportion equation
1,261,037.88 : 1,892,413.62 = 513,219.96 : x - Step 2: Convert to fraction form
1,261,037.88/1,892,413.62 = 513,219.96/x - Step 3: Cross multiply
1,261,037.88x = 1,892,413.62 × 513,219.96 - Step 4: Simplify right side
1,261,037.88x = 971,224,442,359.86 - Step 5: Solve for x
x = 971,224,442,359.86/1,261,037.88 - Step 6: Final answer
x = 770,178.64
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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.