Finding the Fourth Proportional to 1,108,455.97, 1,529,539.29 and 624,992.28
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Solution
The fourth proportional to 1,108,455.97, 1,529,539.29 and 624,992.28 is: 862,416.08
Step by Step Solution
- Step 1: Write the proportion equation
1,108,455.97 : 1,529,539.29 = 624,992.28 : x - Step 2: Convert to fraction form
1,108,455.97/1,529,539.29 = 624,992.28/x - Step 3: Cross multiply
1,108,455.97x = 1,529,539.29 × 624,992.28 - Step 4: Simplify right side
1,108,455.97x = 955,950,248,905.57 - Step 5: Solve for x
x = 955,950,248,905.57/1,108,455.97 - Step 6: Final answer
x = 862,416.08
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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.