Finding the Fourth Proportional to 1,156,413.36, 1,595,863.05 and 640,175.88
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Solution
The fourth proportional to 1,156,413.36, 1,595,863.05 and 640,175.88 is: 883,449.70
Step by Step Solution
- Step 1: Write the proportion equation
1,156,413.36 : 1,595,863.05 = 640,175.88 : x - Step 2: Convert to fraction form
1,156,413.36/1,595,863.05 = 640,175.88/x - Step 3: Cross multiply
1,156,413.36x = 1,595,863.05 × 640,175.88 - Step 4: Simplify right side
1,156,413.36x = 1,021,633,034,189.41 - Step 5: Solve for x
x = 1,021,633,034,189.41/1,156,413.36 - Step 6: Final answer
x = 883,449.70
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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.