Finding the Fourth Proportional to 1,348,693.79, 1,861,326.18 and 736,939.58
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Solution
The fourth proportional to 1,348,693.79, 1,861,326.18 and 736,939.58 is: 1,017,046.97
Step by Step Solution
- Step 1: Write the proportion equation
1,348,693.79 : 1,861,326.18 = 736,939.58 : x - Step 2: Convert to fraction form
1,348,693.79/1,861,326.18 = 736,939.58/x - Step 3: Cross multiply
1,348,693.79x = 1,861,326.18 × 736,939.58 - Step 4: Simplify right side
1,348,693.79x = 1,371,684,924,025.57 - Step 5: Solve for x
x = 1,371,684,924,025.57/1,348,693.79 - Step 6: Final answer
x = 1,017,046.97
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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.