Finding the Fourth Proportional to 1,420,525.35, 1,959,838.74 and 808,524.99
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Solution
The fourth proportional to 1,420,525.35, 1,959,838.74 and 808,524.99 is: 1,115,487.73
Step by Step Solution
- Step 1: Write the proportion equation
1,420,525.35 : 1,959,838.74 = 808,524.99 : x - Step 2: Convert to fraction form
1,420,525.35/1,959,838.74 = 808,524.99/x - Step 3: Cross multiply
1,420,525.35x = 1,959,838.74 × 808,524.99 - Step 4: Simplify right side
1,420,525.35x = 1,584,578,597,660.11 - Step 5: Solve for x
x = 1,584,578,597,660.11/1,420,525.35 - Step 6: Final answer
x = 1,115,487.73
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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.