Finding the Fourth Proportional to 1,338,734.75, 1,847,268.06 and 787,475.48
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Solution
The fourth proportional to 1,338,734.75, 1,847,268.06 and 787,475.48 is: 1,086,606.81
Step by Step Solution
- Step 1: Write the proportion equation
1,338,734.75 : 1,847,268.06 = 787,475.48 : x - Step 2: Convert to fraction form
1,338,734.75/1,847,268.06 = 787,475.48/x - Step 3: Cross multiply
1,338,734.75x = 1,847,268.06 × 787,475.48 - Step 4: Simplify right side
1,338,734.75x = 1,454,678,302,237.17 - Step 5: Solve for x
x = 1,454,678,302,237.17/1,338,734.75 - Step 6: Final answer
x = 1,086,606.81
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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.