Finding the Fourth Proportional to 1,163,140.91, 1,603,451.90 and 770,014.91
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Solution
The fourth proportional to 1,163,140.91, 1,603,451.90 and 770,014.91 is: 1,061,506.69
Step by Step Solution
- Step 1: Write the proportion equation
1,163,140.91 : 1,603,451.90 = 770,014.91 : x - Step 2: Convert to fraction form
1,163,140.91/1,603,451.90 = 770,014.91/x - Step 3: Cross multiply
1,163,140.91x = 1,603,451.90 × 770,014.91 - Step 4: Simplify right side
1,163,140.91x = 1,234,681,867,382.02 - Step 5: Solve for x
x = 1,234,681,867,382.02/1,163,140.91 - Step 6: Final answer
x = 1,061,506.69
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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.