Finding the Fourth Proportional to 1,313,353.53, 1,812,349.76 and 762,026.63
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Solution
The fourth proportional to 1,313,353.53, 1,812,349.76 and 762,026.63 is: 1,051,551.42
Step by Step Solution
- Step 1: Write the proportion equation
1,313,353.53 : 1,812,349.76 = 762,026.63 : x - Step 2: Convert to fraction form
1,313,353.53/1,812,349.76 = 762,026.63/x - Step 3: Cross multiply
1,313,353.53x = 1,812,349.76 × 762,026.63 - Step 4: Simplify right side
1,313,353.53x = 1,381,058,767,122.23 - Step 5: Solve for x
x = 1,381,058,767,122.23/1,313,353.53 - Step 6: Final answer
x = 1,051,551.42
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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.