Finding the Fourth Proportional to 1,068,324.21, 1,474,369.25 and 609,448.91
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Solution
The fourth proportional to 1,068,324.21, 1,474,369.25 and 609,448.91 is: 841,086.17
Step by Step Solution
- Step 1: Write the proportion equation
1,068,324.21 : 1,474,369.25 = 609,448.91 : x - Step 2: Convert to fraction form
1,068,324.21/1,474,369.25 = 609,448.91/x - Step 3: Cross multiply
1,068,324.21x = 1,474,369.25 × 609,448.91 - Step 4: Simplify right side
1,068,324.21x = 898,552,721,930.93 - Step 5: Solve for x
x = 898,552,721,930.93/1,068,324.21 - Step 6: Final answer
x = 841,086.17
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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.