Finding the Fourth Proportional to 1,238,370.06, 1,709,137.49 and 755,215.48
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Solution
The fourth proportional to 1,238,370.06, 1,709,137.49 and 755,215.48 is: 1,042,311.28
Step by Step Solution
- Step 1: Write the proportion equation
1,238,370.06 : 1,709,137.49 = 755,215.48 : x - Step 2: Convert to fraction form
1,238,370.06/1,709,137.49 = 755,215.48/x - Step 3: Cross multiply
1,238,370.06x = 1,709,137.49 × 755,215.48 - Step 4: Simplify right side
1,238,370.06x = 1,290,767,088,256.69 - Step 5: Solve for x
x = 1,290,767,088,256.69/1,238,370.06 - Step 6: Final answer
x = 1,042,311.28
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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.