Finding the Fourth Proportional to 1,419,852.16, 1,959,400.08 and 775,277.92
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Solution
The fourth proportional to 1,419,852.16, 1,959,400.08 and 775,277.92 is: 1,069,885.77
Step by Step Solution
- Step 1: Write the proportion equation
1,419,852.16 : 1,959,400.08 = 775,277.92 : x - Step 2: Convert to fraction form
1,419,852.16/1,959,400.08 = 775,277.92/x - Step 3: Cross multiply
1,419,852.16x = 1,959,400.08 × 775,277.92 - Step 4: Simplify right side
1,419,852.16x = 1,519,079,618,470.23 - Step 5: Solve for x
x = 1,519,079,618,470.23/1,419,852.16 - Step 6: Final answer
x = 1,069,885.77
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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.