Finding the Fourth Proportional to 1,447,331.09, 1,997,555.99 and 802,958.87
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Solution
The fourth proportional to 1,447,331.09, 1,997,555.99 and 802,958.87 is: 1,108,215.89
Step by Step Solution
- Step 1: Write the proportion equation
1,447,331.09 : 1,997,555.99 = 802,958.87 : x - Step 2: Convert to fraction form
1,447,331.09/1,997,555.99 = 802,958.87/x - Step 3: Cross multiply
1,447,331.09x = 1,997,555.99 × 802,958.87 - Step 4: Simplify right side
1,447,331.09x = 1,603,955,301,471.23 - Step 5: Solve for x
x = 1,603,955,301,471.23/1,447,331.09 - Step 6: Final answer
x = 1,108,215.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.