Finding the Fourth Proportional to 1,440,153.81, 1,987,405.88 and 795,574.31
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Solution
The fourth proportional to 1,440,153.81, 1,987,405.88 and 795,574.31 is: 1,097,889.01
Step by Step Solution
- Step 1: Write the proportion equation
1,440,153.81 : 1,987,405.88 = 795,574.31 : x - Step 2: Convert to fraction form
1,440,153.81/1,987,405.88 = 795,574.31/x - Step 3: Cross multiply
1,440,153.81x = 1,987,405.88 × 795,574.31 - Step 4: Simplify right side
1,440,153.81x = 1,581,129,047,756.04 - Step 5: Solve for x
x = 1,581,129,047,756.04/1,440,153.81 - Step 6: Final answer
x = 1,097,889.01
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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.