Finding the Fourth Proportional to 1,079,719.62, 1,490,013.21 and 602,791.62
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Solution
The fourth proportional to 1,079,719.62, 1,490,013.21 and 602,791.62 is: 831,852.51
Step by Step Solution
- Step 1: Write the proportion equation
1,079,719.62 : 1,490,013.21 = 602,791.62 : x - Step 2: Convert to fraction form
1,079,719.62/1,490,013.21 = 602,791.62/x - Step 3: Cross multiply
1,079,719.62x = 1,490,013.21 × 602,791.62 - Step 4: Simplify right side
1,079,719.62x = 898,167,476,677.30 - Step 5: Solve for x
x = 898,167,476,677.30/1,079,719.62 - Step 6: Final answer
x = 831,852.51
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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.