Finding the Fourth Proportional to 1,413,136.59, 1,950,142.60 and 768,570.99
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Solution
The fourth proportional to 1,413,136.59, 1,950,142.60 and 768,570.99 is: 1,060,635.64
Step by Step Solution
- Step 1: Write the proportion equation
1,413,136.59 : 1,950,142.60 = 768,570.99 : x - Step 2: Convert to fraction form
1,413,136.59/1,950,142.60 = 768,570.99/x - Step 3: Cross multiply
1,413,136.59x = 1,950,142.60 × 768,570.99 - Step 4: Simplify right side
1,413,136.59x = 1,498,823,028,723.17 - Step 5: Solve for x
x = 1,498,823,028,723.17/1,413,136.59 - Step 6: Final answer
x = 1,060,635.64
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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.