Finding the Fourth Proportional to 1,102,263.81, 1,521,211.92 and 618,860.67
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Solution
The fourth proportional to 1,102,263.81, 1,521,211.92 and 618,860.67 is: 854,077.05
Step by Step Solution
- Step 1: Write the proportion equation
1,102,263.81 : 1,521,211.92 = 618,860.67 : x - Step 2: Convert to fraction form
1,102,263.81/1,521,211.92 = 618,860.67/x - Step 3: Cross multiply
1,102,263.81x = 1,521,211.92 × 618,860.67 - Step 4: Simplify right side
1,102,263.81x = 941,418,228,023.19 - Step 5: Solve for x
x = 941,418,228,023.19/1,102,263.81 - Step 6: Final answer
x = 854,077.05
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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.