Finding the Fourth Proportional to 1,238,207.14, 1,709,088.69 and 808,553.98
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Solution
The fourth proportional to 1,238,207.14, 1,709,088.69 and 808,553.98 is: 1,116,041.43
Step by Step Solution
- Step 1: Write the proportion equation
1,238,207.14 : 1,709,088.69 = 808,553.98 : x - Step 2: Convert to fraction form
1,238,207.14/1,709,088.69 = 808,553.98/x - Step 3: Cross multiply
1,238,207.14x = 1,709,088.69 × 808,553.98 - Step 4: Simplify right side
1,238,207.14x = 1,381,890,462,472.49 - Step 5: Solve for x
x = 1,381,890,462,472.49/1,238,207.14 - Step 6: Final answer
x = 1,116,041.43
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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.