Finding the Fourth Proportional to 1,368,047.18, 1,888,092.65 and 787,258.37
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Solution
The fourth proportional to 1,368,047.18, 1,888,092.65 and 787,258.37 is: 1,086,524.47
Step by Step Solution
- Step 1: Write the proportion equation
1,368,047.18 : 1,888,092.65 = 787,258.37 : x - Step 2: Convert to fraction form
1,368,047.18/1,888,092.65 = 787,258.37/x - Step 3: Cross multiply
1,368,047.18x = 1,888,092.65 × 787,258.37 - Step 4: Simplify right side
1,368,047.18x = 1,486,416,742,047.98 - Step 5: Solve for x
x = 1,486,416,742,047.98/1,368,047.18 - Step 6: Final answer
x = 1,086,524.47
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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.