Finding the Fourth Proportional to 1,293,387.68, 1,784,915.29 and 742,204.32
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Solution
The fourth proportional to 1,293,387.68, 1,784,915.29 and 742,204.32 is: 1,024,265.08
Step by Step Solution
- Step 1: Write the proportion equation
1,293,387.68 : 1,784,915.29 = 742,204.32 : x - Step 2: Convert to fraction form
1,293,387.68/1,784,915.29 = 742,204.32/x - Step 3: Cross multiply
1,293,387.68x = 1,784,915.29 × 742,204.32 - Step 4: Simplify right side
1,293,387.68x = 1,324,771,839,072.05 - Step 5: Solve for x
x = 1,324,771,839,072.05/1,293,387.68 - Step 6: Final answer
x = 1,024,265.08
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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.