Finding the Fourth Proportional to 1,331,539.14, 1,997,811.90 and 799,431.09
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Solution
The fourth proportional to 1,331,539.14, 1,997,811.90 and 799,431.09 is: 1,199,448.74
Step by Step Solution
- Step 1: Write the proportion equation
1,331,539.14 : 1,997,811.90 = 799,431.09 : x - Step 2: Convert to fraction form
1,331,539.14/1,997,811.90 = 799,431.09/x - Step 3: Cross multiply
1,331,539.14x = 1,997,811.90 × 799,431.09 - Step 4: Simplify right side
1,331,539.14x = 1,597,112,944,831.97 - Step 5: Solve for x
x = 1,597,112,944,831.97/1,331,539.14 - Step 6: Final answer
x = 1,199,448.74
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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.