Finding the Fourth Proportional to 1,189,317.62, 1,641,338.28 and 673,070.19
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Solution
The fourth proportional to 1,189,317.62, 1,641,338.28 and 673,070.19 is: 928,882.12
Step by Step Solution
- Step 1: Write the proportion equation
1,189,317.62 : 1,641,338.28 = 673,070.19 : x - Step 2: Convert to fraction form
1,189,317.62/1,641,338.28 = 673,070.19/x - Step 3: Cross multiply
1,189,317.62x = 1,641,338.28 × 673,070.19 - Step 4: Simplify right side
1,189,317.62x = 1,104,735,867,973.87 - Step 5: Solve for x
x = 1,104,735,867,973.87/1,189,317.62 - Step 6: Final answer
x = 928,882.12
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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.