Finding the Fourth Proportional to 1,103,684.11, 1,522,135.62 and 716,117.63
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Solution
The fourth proportional to 1,103,684.11, 1,522,135.62 and 716,117.63 is: 987,626.93
Step by Step Solution
- Step 1: Write the proportion equation
1,103,684.11 : 1,522,135.62 = 716,117.63 : x - Step 2: Convert to fraction form
1,103,684.11/1,522,135.62 = 716,117.63/x - Step 3: Cross multiply
1,103,684.11x = 1,522,135.62 × 716,117.63 - Step 4: Simplify right side
1,103,684.11x = 1,090,028,145,122.30 - Step 5: Solve for x
x = 1,090,028,145,122.30/1,103,684.11 - Step 6: Final answer
x = 987,626.93
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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.