Finding the Fourth Proportional to 1,413,192.55, 1,950,712.99 and 840,231.35
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Solution
The fourth proportional to 1,413,192.55, 1,950,712.99 and 840,231.35 is: 1,159,820.87
Step by Step Solution
- Step 1: Write the proportion equation
1,413,192.55 : 1,950,712.99 = 840,231.35 : x - Step 2: Convert to fraction form
1,413,192.55/1,950,712.99 = 840,231.35/x - Step 3: Cross multiply
1,413,192.55x = 1,950,712.99 × 840,231.35 - Step 4: Simplify right side
1,413,192.55x = 1,639,050,211,179.26 - Step 5: Solve for x
x = 1,639,050,211,179.26/1,413,192.55 - Step 6: Final answer
x = 1,159,820.87
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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.