Finding the Fourth Proportional to 1,331,655.13, 1,997,778.63 and 621,295.66
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Solution
The fourth proportional to 1,331,655.13, 1,997,778.63 and 621,295.66 is: 932,081.56
Step by Step Solution
- Step 1: Write the proportion equation
1,331,655.13 : 1,997,778.63 = 621,295.66 : x - Step 2: Convert to fraction form
1,331,655.13/1,997,778.63 = 621,295.66/x - Step 3: Cross multiply
1,331,655.13x = 1,997,778.63 × 621,295.66 - Step 4: Simplify right side
1,331,655.13x = 1,241,211,192,459.75 - Step 5: Solve for x
x = 1,241,211,192,459.75/1,331,655.13 - Step 6: Final answer
x = 932,081.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.