Finding the Fourth Proportional to 1,207,276.53, 1,664,376.91 and 963,090.08
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Solution
The fourth proportional to 1,207,276.53, 1,664,376.91 and 963,090.08 is: 1,327,736.31
Step by Step Solution
- Step 1: Write the proportion equation
1,207,276.53 : 1,664,376.91 = 963,090.08 : x - Step 2: Convert to fraction form
1,207,276.53/1,664,376.91 = 963,090.08/x - Step 3: Cross multiply
1,207,276.53x = 1,664,376.91 × 963,090.08 - Step 4: Simplify right side
1,207,276.53x = 1,602,944,883,080.17 - Step 5: Solve for x
x = 1,602,944,883,080.17/1,207,276.53 - Step 6: Final answer
x = 1,327,736.31
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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.