Finding the Fourth Proportional to 1,154,859.24, 1,593,716.09 and 638,647.87
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Solution
The fourth proportional to 1,154,859.24, 1,593,716.09 and 638,647.87 is: 881,339.78
Step by Step Solution
- Step 1: Write the proportion equation
1,154,859.24 : 1,593,716.09 = 638,647.87 : x - Step 2: Convert to fraction form
1,154,859.24/1,593,716.09 = 638,647.87/x - Step 3: Cross multiply
1,154,859.24x = 1,593,716.09 × 638,647.87 - Step 4: Simplify right side
1,154,859.24x = 1,017,823,386,263.23 - Step 5: Solve for x
x = 1,017,823,386,263.23/1,154,859.24 - Step 6: Final answer
x = 881,339.78
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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.