Finding the Fourth Proportional to 1,201,780.49, 1,659,581.25 and 772,805.93
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Solution
The fourth proportional to 1,201,780.49, 1,659,581.25 and 772,805.93 is: 1,067,195.08
Step by Step Solution
- Step 1: Write the proportion equation
1,201,780.49 : 1,659,581.25 = 772,805.93 : x - Step 2: Convert to fraction form
1,201,780.49/1,659,581.25 = 772,805.93/x - Step 3: Cross multiply
1,201,780.49x = 1,659,581.25 × 772,805.93 - Step 4: Simplify right side
1,201,780.49x = 1,282,534,231,316.81 - Step 5: Solve for x
x = 1,282,534,231,316.81/1,201,780.49 - Step 6: Final answer
x = 1,067,195.08
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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.