Finding the Fourth Proportional to 1,048,581.96, 1,569,489.80 and 542,445.96
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Solution
The fourth proportional to 1,048,581.96, 1,569,489.80 and 542,445.96 is: 811,918.79
Step by Step Solution
- Step 1: Write the proportion equation
1,048,581.96 : 1,569,489.80 = 542,445.96 : x - Step 2: Convert to fraction form
1,048,581.96/1,569,489.80 = 542,445.96/x - Step 3: Cross multiply
1,048,581.96x = 1,569,489.80 × 542,445.96 - Step 4: Simplify right side
1,048,581.96x = 851,363,401,271.21 - Step 5: Solve for x
x = 851,363,401,271.21/1,048,581.96 - Step 6: Final answer
x = 811,918.79
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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.