Finding the Fourth Proportional to 1,095,919.68, 1,644,211.80 and 776,688.84
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Solution
The fourth proportional to 1,095,919.68, 1,644,211.80 and 776,688.84 is: 1,165,268.75
Step by Step Solution
- Step 1: Write the proportion equation
1,095,919.68 : 1,644,211.80 = 776,688.84 : x - Step 2: Convert to fraction form
1,095,919.68/1,644,211.80 = 776,688.84/x - Step 3: Cross multiply
1,095,919.68x = 1,644,211.80 × 776,688.84 - Step 4: Simplify right side
1,095,919.68x = 1,277,040,955,656.31 - Step 5: Solve for x
x = 1,277,040,955,656.31/1,095,919.68 - Step 6: Final answer
x = 1,165,268.75
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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.