Finding the Fourth Proportional to 1,419,803.62, 1,959,314.12 and 775,221.82
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Solution
The fourth proportional to 1,419,803.62, 1,959,314.12 and 775,221.82 is: 1,069,797.99
Step by Step Solution
- Step 1: Write the proportion equation
1,419,803.62 : 1,959,314.12 = 775,221.82 : x - Step 2: Convert to fraction form
1,419,803.62/1,959,314.12 = 775,221.82/x - Step 3: Cross multiply
1,419,803.62x = 1,959,314.12 × 775,221.82 - Step 4: Simplify right side
1,419,803.62x = 1,518,903,058,058.10 - Step 5: Solve for x
x = 1,518,903,058,058.10/1,419,803.62 - Step 6: Final answer
x = 1,069,797.99
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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.