Finding the Fourth Proportional to 1,102,257.99, 1,521,203.90 and 618,854.85
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Solution
The fourth proportional to 1,102,257.99, 1,521,203.90 and 618,854.85 is: 854,069.03
Step by Step Solution
- Step 1: Write the proportion equation
1,102,257.99 : 1,521,203.90 = 618,854.85 : x - Step 2: Convert to fraction form
1,102,257.99/1,521,203.90 = 618,854.85/x - Step 3: Cross multiply
1,102,257.99x = 1,521,203.90 × 618,854.85 - Step 4: Simplify right side
1,102,257.99x = 941,404,408,259.64 - Step 5: Solve for x
x = 941,404,408,259.64/1,102,257.99 - Step 6: Final answer
x = 854,069.03
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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.