Finding the Fourth Proportional to 1,419,789.84, 1,959,295.14 and 775,208.04
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Solution
The fourth proportional to 1,419,789.84, 1,959,295.14 and 775,208.04 is: 1,069,778.99
Step by Step Solution
- Step 1: Write the proportion equation
1,419,789.84 : 1,959,295.14 = 775,208.04 : x - Step 2: Convert to fraction form
1,419,789.84/1,959,295.14 = 775,208.04/x - Step 3: Cross multiply
1,419,789.84x = 1,959,295.14 × 775,208.04 - Step 4: Simplify right side
1,419,789.84x = 1,518,861,345,260.93 - Step 5: Solve for x
x = 1,518,861,345,260.93/1,419,789.84 - Step 6: Final answer
x = 1,069,778.99
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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.