Finding the Fourth Proportional to 1,372,220.97, 1,893,636.63 and 760,368.48
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Solution
The fourth proportional to 1,372,220.97, 1,893,636.63 and 760,368.48 is: 1,049,292.82
Step by Step Solution
- Step 1: Write the proportion equation
1,372,220.97 : 1,893,636.63 = 760,368.48 : x - Step 2: Convert to fraction form
1,372,220.97/1,893,636.63 = 760,368.48/x - Step 3: Cross multiply
1,372,220.97x = 1,893,636.63 × 760,368.48 - Step 4: Simplify right side
1,372,220.97x = 1,439,861,606,025.42 - Step 5: Solve for x
x = 1,439,861,606,025.42/1,372,220.97 - Step 6: Final answer
x = 1,049,292.82
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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.