Finding the Fourth Proportional to 1,019,656.92, 1,407,511.98 and 875,839.80
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Solution
The fourth proportional to 1,019,656.92, 1,407,511.98 and 875,839.80 is: 1,208,989.99
Step by Step Solution
- Step 1: Write the proportion equation
1,019,656.92 : 1,407,511.98 = 875,839.80 : x - Step 2: Convert to fraction form
1,019,656.92/1,407,511.98 = 875,839.80/x - Step 3: Cross multiply
1,019,656.92x = 1,407,511.98 × 875,839.80 - Step 4: Simplify right side
1,019,656.92x = 1,232,755,011,060.80 - Step 5: Solve for x
x = 1,232,755,011,060.80/1,019,656.92 - Step 6: Final answer
x = 1,208,989.99
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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.