Finding the Fourth Proportional to 1,393,598.64, 2,090,605.68 and 494,964.88
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Solution
The fourth proportional to 1,393,598.64, 2,090,605.68 and 494,964.88 is: 742,521.10
Step by Step Solution
- Step 1: Write the proportion equation
1,393,598.64 : 2,090,605.68 = 494,964.88 : x - Step 2: Convert to fraction form
1,393,598.64/2,090,605.68 = 494,964.88/x - Step 3: Cross multiply
1,393,598.64x = 2,090,605.68 × 494,964.88 - Step 4: Simplify right side
1,393,598.64x = 1,034,776,389,528.52 - Step 5: Solve for x
x = 1,034,776,389,528.52/1,393,598.64 - Step 6: Final answer
x = 742,521.10
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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.