Finding the Fourth Proportional to 1,147,660.49, 1,721,587.11 and 348,948.96
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Solution
The fourth proportional to 1,147,660.49, 1,721,587.11 and 348,948.96 is: 523,452.74
Step by Step Solution
- Step 1: Write the proportion equation
1,147,660.49 : 1,721,587.11 = 348,948.96 : x - Step 2: Convert to fraction form
1,147,660.49/1,721,587.11 = 348,948.96/x - Step 3: Cross multiply
1,147,660.49x = 1,721,587.11 × 348,948.96 - Step 4: Simplify right side
1,147,660.49x = 600,746,031,583.91 - Step 5: Solve for x
x = 600,746,031,583.91/1,147,660.49 - Step 6: Final answer
x = 523,452.74
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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.