Finding the Fourth Proportional to 1,368,874.99, 1,889,060.03 and 756,996.13
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Solution
The fourth proportional to 1,368,874.99, 1,889,060.03 and 756,996.13 is: 1,044,661.60
Step by Step Solution
- Step 1: Write the proportion equation
1,368,874.99 : 1,889,060.03 = 756,996.13 : x - Step 2: Convert to fraction form
1,368,874.99/1,889,060.03 = 756,996.13/x - Step 3: Cross multiply
1,368,874.99x = 1,889,060.03 × 756,996.13 - Step 4: Simplify right side
1,368,874.99x = 1,430,011,132,047.68 - Step 5: Solve for x
x = 1,430,011,132,047.68/1,368,874.99 - Step 6: Final answer
x = 1,044,661.60
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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.