Finding the Fourth Proportional to 1,413,415.47, 1,950,504.50 and 768,838.23
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Solution
The fourth proportional to 1,413,415.47, 1,950,504.50 and 768,838.23 is: 1,060,991.94
Step by Step Solution
- Step 1: Write the proportion equation
1,413,415.47 : 1,950,504.50 = 768,838.23 : x - Step 2: Convert to fraction form
1,413,415.47/1,950,504.50 = 768,838.23/x - Step 3: Cross multiply
1,413,415.47x = 1,950,504.50 × 768,838.23 - Step 4: Simplify right side
1,413,415.47x = 1,499,622,429,309.13 - Step 5: Solve for x
x = 1,499,622,429,309.13/1,413,415.47 - Step 6: Final answer
x = 1,060,991.94
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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.