Finding the Fourth Proportional to 1,285,324.24, 1,773,342.12 and 741,387.10
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Solution
The fourth proportional to 1,285,324.24, 1,773,342.12 and 741,387.10 is: 1,022,880.40
Step by Step Solution
- Step 1: Write the proportion equation
1,285,324.24 : 1,773,342.12 = 741,387.10 : x - Step 2: Convert to fraction form
1,285,324.24/1,773,342.12 = 741,387.10/x - Step 3: Cross multiply
1,285,324.24x = 1,773,342.12 × 741,387.10 - Step 4: Simplify right side
1,285,324.24x = 1,314,732,971,654.65 - Step 5: Solve for x
x = 1,314,732,971,654.65/1,285,324.24 - Step 6: Final answer
x = 1,022,880.40
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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.