Finding the Fourth Proportional to 1,259,923.77, 1,890,771.42 and 1,139,463.81
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Solution
The fourth proportional to 1,259,923.77, 1,890,771.42 and 1,139,463.81 is: 1,709,996.79
Step by Step Solution
- Step 1: Write the proportion equation
1,259,923.77 : 1,890,771.42 = 1,139,463.81 : x - Step 2: Convert to fraction form
1,259,923.77/1,890,771.42 = 1,139,463.81/x - Step 3: Cross multiply
1,259,923.77x = 1,890,771.42 × 1,139,463.81 - Step 4: Simplify right side
1,259,923.77x = 2,154,465,606,072.31 - Step 5: Solve for x
x = 2,154,465,606,072.31/1,259,923.77 - Step 6: Final answer
x = 1,709,996.79
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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.