Finding the Fourth Proportional to 1,369,314.56, 1,889,508.36 and 757,370
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Solution
The fourth proportional to 1,369,314.56, 1,889,508.36 and 757,370 is: 1,045,089.99
Step by Step Solution
- Step 1: Write the proportion equation
1,369,314.56 : 1,889,508.36 = 757,370 : x - Step 2: Convert to fraction form
1,369,314.56/1,889,508.36 = 757,370/x - Step 3: Cross multiply
1,369,314.56x = 1,889,508.36 × 757,370 - Step 4: Simplify right side
1,369,314.56x = 1,431,056,946,613.20 - Step 5: Solve for x
x = 1,431,056,946,613.20/1,369,314.56 - Step 6: Final answer
x = 1,045,089.99
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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.