Finding the Fourth Proportional to 1,103,683.16, 1,523,218.04 and 620,268.68
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Solution
The fourth proportional to 1,103,683.16, 1,523,218.04 and 620,268.68 is: 856,046.81
Step by Step Solution
- Step 1: Write the proportion equation
1,103,683.16 : 1,523,218.04 = 620,268.68 : x - Step 2: Convert to fraction form
1,103,683.16/1,523,218.04 = 620,268.68/x - Step 3: Cross multiply
1,103,683.16x = 1,523,218.04 × 620,268.68 - Step 4: Simplify right side
1,103,683.16x = 944,804,443,022.99 - Step 5: Solve for x
x = 944,804,443,022.99/1,103,683.16 - Step 6: Final answer
x = 856,046.81
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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.