Finding the Fourth Proportional to 1,161,451.95, 1,742,177.93 and 451,646.07
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Solution
The fourth proportional to 1,161,451.95, 1,742,177.93 and 451,646.07 is: 677,469.11
Step by Step Solution
- Step 1: Write the proportion equation
1,161,451.95 : 1,742,177.93 = 451,646.07 : x - Step 2: Convert to fraction form
1,161,451.95/1,742,177.93 = 451,646.07/x - Step 3: Cross multiply
1,161,451.95x = 1,742,177.93 × 451,646.07 - Step 4: Simplify right side
1,161,451.95x = 786,847,815,325.24 - Step 5: Solve for x
x = 786,847,815,325.24/1,161,451.95 - Step 6: Final answer
x = 677,469.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.