Finding the Fourth Proportional to 1,206,454.99, 1,809,681.45 and 307,896.65
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Solution
The fourth proportional to 1,206,454.99, 1,809,681.45 and 307,896.65 is: 461,844.72
Step by Step Solution
- Step 1: Write the proportion equation
1,206,454.99 : 1,809,681.45 = 307,896.65 : x - Step 2: Convert to fraction form
1,206,454.99/1,809,681.45 = 307,896.65/x - Step 3: Cross multiply
1,206,454.99x = 1,809,681.45 × 307,896.65 - Step 4: Simplify right side
1,206,454.99x = 557,194,860,546.35 - Step 5: Solve for x
x = 557,194,860,546.35/1,206,454.99 - Step 6: Final answer
x = 461,844.72
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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.