Finding the Fourth Proportional to 1,276,475.19, 1,761,605.06 and 732,606.63
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Solution
The fourth proportional to 1,276,475.19, 1,761,605.06 and 732,606.63 is: 1,011,036.92
Step by Step Solution
- Step 1: Write the proportion equation
1,276,475.19 : 1,761,605.06 = 732,606.63 : x - Step 2: Convert to fraction form
1,276,475.19/1,761,605.06 = 732,606.63/x - Step 3: Cross multiply
1,276,475.19x = 1,761,605.06 × 732,606.63 - Step 4: Simplify right side
1,276,475.19x = 1,290,563,542,734.51 - Step 5: Solve for x
x = 1,290,563,542,734.51/1,276,475.19 - Step 6: Final answer
x = 1,011,036.92
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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.