Finding the Fourth Proportional to 1,189,294.12, 1,641,202.56 and 673,038.42
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Solution
The fourth proportional to 1,189,294.12, 1,641,202.56 and 673,038.42 is: 928,779.81
Step by Step Solution
- Step 1: Write the proportion equation
1,189,294.12 : 1,641,202.56 = 673,038.42 : x - Step 2: Convert to fraction form
1,189,294.12/1,641,202.56 = 673,038.42/x - Step 3: Cross multiply
1,189,294.12x = 1,641,202.56 × 673,038.42 - Step 4: Simplify right side
1,189,294.12x = 1,104,592,371,727.85 - Step 5: Solve for x
x = 1,104,592,371,727.85/1,189,294.12 - Step 6: Final answer
x = 928,779.81
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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.