Finding the Fourth Proportional to 1,284,794.20, 1,772,968.62 and 740,952.64
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Solution
The fourth proportional to 1,284,794.20, 1,772,968.62 and 740,952.64 is: 1,022,487.32
Step by Step Solution
- Step 1: Write the proportion equation
1,284,794.20 : 1,772,968.62 = 740,952.64 : x - Step 2: Convert to fraction form
1,284,794.20/1,772,968.62 = 740,952.64/x - Step 3: Cross multiply
1,284,794.20x = 1,772,968.62 × 740,952.64 - Step 4: Simplify right side
1,284,794.20x = 1,313,685,779,626.16 - Step 5: Solve for x
x = 1,313,685,779,626.16/1,284,794.20 - Step 6: Final answer
x = 1,022,487.32
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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.