Finding the Fourth Proportional to 1,245,747.08, 1,719,130.52 and 672,787.36
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Solution
The fourth proportional to 1,245,747.08, 1,719,130.52 and 672,787.36 is: 928,446.31
Step by Step Solution
- Step 1: Write the proportion equation
1,245,747.08 : 1,719,130.52 = 672,787.36 : x - Step 2: Convert to fraction form
1,245,747.08/1,719,130.52 = 672,787.36/x - Step 3: Cross multiply
1,245,747.08x = 1,719,130.52 × 672,787.36 - Step 4: Simplify right side
1,245,747.08x = 1,156,609,284,046.23 - Step 5: Solve for x
x = 1,156,609,284,046.23/1,245,747.08 - Step 6: Final answer
x = 928,446.31
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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.