Finding the Fourth Proportional to 1,055,679.84, 1,457,511.84 and 693,745.92
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Solution
The fourth proportional to 1,055,679.84, 1,457,511.84 and 693,745.92 is: 957,812.07
Step by Step Solution
- Step 1: Write the proportion equation
1,055,679.84 : 1,457,511.84 = 693,745.92 : x - Step 2: Convert to fraction form
1,055,679.84/1,457,511.84 = 693,745.92/x - Step 3: Cross multiply
1,055,679.84x = 1,457,511.84 × 693,745.92 - Step 4: Simplify right side
1,055,679.84x = 1,011,142,892,351.69 - Step 5: Solve for x
x = 1,011,142,892,351.69/1,055,679.84 - Step 6: Final answer
x = 957,812.07
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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.