Finding the Fourth Proportional to 1,413,340.91, 1,950,416.21 and 768,765.05
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Solution
The fourth proportional to 1,413,340.91, 1,950,416.21 and 768,765.05 is: 1,060,898.90
Step by Step Solution
- Step 1: Write the proportion equation
1,413,340.91 : 1,950,416.21 = 768,765.05 : x - Step 2: Convert to fraction form
1,413,340.91/1,950,416.21 = 768,765.05/x - Step 3: Cross multiply
1,413,340.91x = 1,950,416.21 × 768,765.05 - Step 4: Simplify right side
1,413,340.91x = 1,499,411,811,357.64 - Step 5: Solve for x
x = 1,499,411,811,357.64/1,413,340.91 - Step 6: Final answer
x = 1,060,898.90
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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.