Finding the Fourth Proportional to 1,372,209.62, 1,893,690.81 and 760,305.14
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Solution
The fourth proportional to 1,372,209.62, 1,893,690.81 and 760,305.14 is: 1,049,244.10
Step by Step Solution
- Step 1: Write the proportion equation
1,372,209.62 : 1,893,690.81 = 760,305.14 : x - Step 2: Convert to fraction form
1,372,209.62/1,893,690.81 = 760,305.14/x - Step 3: Cross multiply
1,372,209.62x = 1,893,690.81 × 760,305.14 - Step 4: Simplify right side
1,372,209.62x = 1,439,782,846,945.31 - Step 5: Solve for x
x = 1,439,782,846,945.31/1,372,209.62 - Step 6: Final answer
x = 1,049,244.10
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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.