Finding the Fourth Proportional to 1,102,386.97, 1,521,254.57 and 618,972.49
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Solution
The fourth proportional to 1,102,386.97, 1,521,254.57 and 618,972.49 is: 854,159.88
Step by Step Solution
- Step 1: Write the proportion equation
1,102,386.97 : 1,521,254.57 = 618,972.49 : x - Step 2: Convert to fraction form
1,102,386.97/1,521,254.57 = 618,972.49/x - Step 3: Cross multiply
1,102,386.97x = 1,521,254.57 × 618,972.49 - Step 4: Simplify right side
1,102,386.97x = 941,614,722,848.15 - Step 5: Solve for x
x = 941,614,722,848.15/1,102,386.97 - Step 6: Final answer
x = 854,159.88
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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.