Finding the Fourth Proportional to 1,182,193.96, 1,631,438.08 and 672,929.12
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Solution
The fourth proportional to 1,182,193.96, 1,631,438.08 and 672,929.12 is: 928,648.11
Step by Step Solution
- Step 1: Write the proportion equation
1,182,193.96 : 1,631,438.08 = 672,929.12 : x - Step 2: Convert to fraction form
1,182,193.96/1,631,438.08 = 672,929.12/x - Step 3: Cross multiply
1,182,193.96x = 1,631,438.08 × 672,929.12 - Step 4: Simplify right side
1,182,193.96x = 1,097,842,191,508.89 - Step 5: Solve for x
x = 1,097,842,191,508.89/1,182,193.96 - Step 6: Final answer
x = 928,648.11
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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.