Finding the Fourth Proportional to 1,206,062.97, 1,664,368.16 and 716,130.26
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Solution
The fourth proportional to 1,206,062.97, 1,664,368.16 and 716,130.26 is: 988,260.51
Step by Step Solution
- Step 1: Write the proportion equation
1,206,062.97 : 1,664,368.16 = 716,130.26 : x - Step 2: Convert to fraction form
1,206,062.97/1,664,368.16 = 716,130.26/x - Step 3: Cross multiply
1,206,062.97x = 1,664,368.16 × 716,130.26 - Step 4: Simplify right side
1,206,062.97x = 1,191,904,406,857.48 - Step 5: Solve for x
x = 1,191,904,406,857.48/1,206,062.97 - Step 6: Final answer
x = 988,260.51
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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.