Finding the Fourth Proportional to 1,372,206.44, 1,893,686.39 and 760,301.94
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Solution
The fourth proportional to 1,372,206.44, 1,893,686.39 and 760,301.94 is: 1,049,239.68
Step by Step Solution
- Step 1: Write the proportion equation
1,372,206.44 : 1,893,686.39 = 760,301.94 : x - Step 2: Convert to fraction form
1,372,206.44/1,893,686.39 = 760,301.94/x - Step 3: Cross multiply
1,372,206.44x = 1,893,686.39 × 760,301.94 - Step 4: Simplify right side
1,372,206.44x = 1,439,773,446,496.24 - Step 5: Solve for x
x = 1,439,773,446,496.24/1,372,206.44 - Step 6: Final answer
x = 1,049,239.68
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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.