Finding the Fourth Proportional to 1,147,659.74, 1,721,585.99 and 348,948.21
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Solution
The fourth proportional to 1,147,659.74, 1,721,585.99 and 348,948.21 is: 523,451.61
Step by Step Solution
- Step 1: Write the proportion equation
1,147,659.74 : 1,721,585.99 = 348,948.21 : x - Step 2: Convert to fraction form
1,147,659.74/1,721,585.99 = 348,948.21/x - Step 3: Cross multiply
1,147,659.74x = 1,721,585.99 × 348,948.21 - Step 4: Simplify right side
1,147,659.74x = 600,744,342,341.44 - Step 5: Solve for x
x = 600,744,342,341.44/1,147,659.74 - Step 6: Final answer
x = 523,451.61
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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.