Finding the Fourth Proportional to 1,006,633.98, 1,389,212.37 and 576,985.68
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Solution
The fourth proportional to 1,006,633.98, 1,389,212.37 and 576,985.68 is: 796,273.18
Step by Step Solution
- Step 1: Write the proportion equation
1,006,633.98 : 1,389,212.37 = 576,985.68 : x - Step 2: Convert to fraction form
1,006,633.98/1,389,212.37 = 576,985.68/x - Step 3: Cross multiply
1,006,633.98x = 1,389,212.37 × 576,985.68 - Step 4: Simplify right side
1,006,633.98x = 801,555,643,968.86 - Step 5: Solve for x
x = 801,555,643,968.86/1,006,633.98 - Step 6: Final answer
x = 796,273.18
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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.