Finding the Fourth Proportional to 1,087,617.97, 1,500,955.44 and 744,174.26
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Solution
The fourth proportional to 1,087,617.97, 1,500,955.44 and 744,174.26 is: 1,026,989.66
Step by Step Solution
- Step 1: Write the proportion equation
1,087,617.97 : 1,500,955.44 = 744,174.26 : x - Step 2: Convert to fraction form
1,087,617.97/1,500,955.44 = 744,174.26/x - Step 3: Cross multiply
1,087,617.97x = 1,500,955.44 × 744,174.26 - Step 4: Simplify right side
1,087,617.97x = 1,116,972,403,854.97 - Step 5: Solve for x
x = 1,116,972,403,854.97/1,087,617.97 - Step 6: Final answer
x = 1,026,989.66
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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.