Finding the Fourth Proportional to 1,239,073.84, 1,857,769.66 and 630,366.13
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Solution
The fourth proportional to 1,239,073.84, 1,857,769.66 and 630,366.13 is: 945,121.30
Step by Step Solution
- Step 1: Write the proportion equation
1,239,073.84 : 1,857,769.66 = 630,366.13 : x - Step 2: Convert to fraction form
1,239,073.84/1,857,769.66 = 630,366.13/x - Step 3: Cross multiply
1,239,073.84x = 1,857,769.66 × 630,366.13 - Step 4: Simplify right side
1,239,073.84x = 1,171,075,074,115.79 - Step 5: Solve for x
x = 1,171,075,074,115.79/1,239,073.84 - Step 6: Final answer
x = 945,121.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.