Finding the Fourth Proportional to 1,270,315.28, 1,752,970.64 and 754,091.28
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Solution
The fourth proportional to 1,270,315.28, 1,752,970.64 and 754,091.28 is: 1,040,607.71
Step by Step Solution
- Step 1: Write the proportion equation
1,270,315.28 : 1,752,970.64 = 754,091.28 : x - Step 2: Convert to fraction form
1,270,315.28/1,752,970.64 = 754,091.28/x - Step 3: Cross multiply
1,270,315.28x = 1,752,970.64 × 754,091.28 - Step 4: Simplify right side
1,270,315.28x = 1,321,899,873,720.02 - Step 5: Solve for x
x = 1,321,899,873,720.02/1,270,315.28 - Step 6: Final answer
x = 1,040,607.71
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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.