Finding the Fourth Proportional to 1,402,778.81, 2,103,514.23 and 728,679.19
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Solution
The fourth proportional to 1,402,778.81, 2,103,514.23 and 728,679.19 is: 1,092,679.07
Step by Step Solution
- Step 1: Write the proportion equation
1,402,778.81 : 2,103,514.23 = 728,679.19 : x - Step 2: Convert to fraction form
1,402,778.81/2,103,514.23 = 728,679.19/x - Step 3: Cross multiply
1,402,778.81x = 2,103,514.23 × 728,679.19 - Step 4: Simplify right side
1,402,778.81x = 1,532,787,045,269.87 - Step 5: Solve for x
x = 1,532,787,045,269.87/1,402,778.81 - Step 6: Final answer
x = 1,092,679.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.