Finding the Fourth Proportional to 1,205,347.97, 1,663,270.25 and 715,233.02
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Solution
The fourth proportional to 1,205,347.97, 1,663,270.25 and 715,233.02 is: 986,956.33
Step by Step Solution
- Step 1: Write the proportion equation
1,205,347.97 : 1,663,270.25 = 715,233.02 : x - Step 2: Convert to fraction form
1,205,347.97/1,663,270.25 = 715,233.02/x - Step 3: Cross multiply
1,205,347.97x = 1,663,270.25 × 715,233.02 - Step 4: Simplify right side
1,205,347.97x = 1,189,625,803,983.66 - Step 5: Solve for x
x = 1,189,625,803,983.66/1,205,347.97 - Step 6: Final answer
x = 986,956.33
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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.