Finding the Fourth Proportional to 1,246,603.65, 1,869,905.40 and 299,974.47
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Solution
The fourth proportional to 1,246,603.65, 1,869,905.40 and 299,974.47 is: 449,961.69
Step by Step Solution
- Step 1: Write the proportion equation
1,246,603.65 : 1,869,905.40 = 299,974.47 : x - Step 2: Convert to fraction form
1,246,603.65/1,869,905.40 = 299,974.47/x - Step 3: Cross multiply
1,246,603.65x = 1,869,905.40 × 299,974.47 - Step 4: Simplify right side
1,246,603.65x = 560,923,881,315.14 - Step 5: Solve for x
x = 560,923,881,315.14/1,246,603.65 - Step 6: Final answer
x = 449,961.69
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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.