Finding the Fourth Proportional to 1,309,270.28, 1,964,808.55 and 456,349.09
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Solution
The fourth proportional to 1,309,270.28, 1,964,808.55 and 456,349.09 is: 684,838.42
Step by Step Solution
- Step 1: Write the proportion equation
1,309,270.28 : 1,964,808.55 = 456,349.09 : x - Step 2: Convert to fraction form
1,309,270.28/1,964,808.55 = 456,349.09/x - Step 3: Cross multiply
1,309,270.28x = 1,964,808.55 × 456,349.09 - Step 4: Simplify right side
1,309,270.28x = 896,638,590,592.19 - Step 5: Solve for x
x = 896,638,590,592.19/1,309,270.28 - Step 6: Final answer
x = 684,838.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.