Finding the Fourth Proportional to 1,213,264.28, 1,819,897.02 and 414,553.65
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Solution
The fourth proportional to 1,213,264.28, 1,819,897.02 and 414,553.65 is: 621,830.68
Step by Step Solution
- Step 1: Write the proportion equation
1,213,264.28 : 1,819,897.02 = 414,553.65 : x - Step 2: Convert to fraction form
1,213,264.28/1,819,897.02 = 414,553.65/x - Step 3: Cross multiply
1,213,264.28x = 1,819,897.02 × 414,553.65 - Step 4: Simplify right side
1,213,264.28x = 754,444,952,265.12 - Step 5: Solve for x
x = 754,444,952,265.12/1,213,264.28 - Step 6: Final answer
x = 621,830.68
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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.