Finding the Fourth Proportional to 1,148,717.36, 1,585,203.68 and 719,234.30
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Solution
The fourth proportional to 1,148,717.36, 1,585,203.68 and 719,234.30 is: 992,526.88
Step by Step Solution
- Step 1: Write the proportion equation
1,148,717.36 : 1,585,203.68 = 719,234.30 : x - Step 2: Convert to fraction form
1,148,717.36/1,585,203.68 = 719,234.30/x - Step 3: Cross multiply
1,148,717.36x = 1,585,203.68 × 719,234.30 - Step 4: Simplify right side
1,148,717.36x = 1,140,132,864,903.32 - Step 5: Solve for x
x = 1,140,132,864,903.32/1,148,717.36 - Step 6: Final answer
x = 992,526.88
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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.