Finding the Fourth Proportional to 1,048,630.21, 1,569,562.20 and 542,494.19
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Solution
The fourth proportional to 1,048,630.21, 1,569,562.20 and 542,494.19 is: 811,991.08
Step by Step Solution
- Step 1: Write the proportion equation
1,048,630.21 : 1,569,562.20 = 542,494.19 : x - Step 2: Convert to fraction form
1,048,630.21/1,569,562.20 = 542,494.19/x - Step 3: Cross multiply
1,048,630.21x = 1,569,562.20 × 542,494.19 - Step 4: Simplify right side
1,048,630.21x = 851,478,374,343.62 - Step 5: Solve for x
x = 851,478,374,343.62/1,048,630.21 - Step 6: Final answer
x = 811,991.08
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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.