Finding the Fourth Proportional to 1,102,359.13, 1,521,204.19 and 612,360.41
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Solution
The fourth proportional to 1,102,359.13, 1,521,204.19 and 612,360.41 is: 845,028.80
Step by Step Solution
- Step 1: Write the proportion equation
1,102,359.13 : 1,521,204.19 = 612,360.41 : x - Step 2: Convert to fraction form
1,102,359.13/1,521,204.19 = 612,360.41/x - Step 3: Cross multiply
1,102,359.13x = 1,521,204.19 × 612,360.41 - Step 4: Simplify right side
1,102,359.13x = 931,525,212,715.80 - Step 5: Solve for x
x = 931,525,212,715.80/1,102,359.13 - Step 6: Final answer
x = 845,028.80
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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.