Finding the Fourth Proportional to 1,239,266.93, 1,857,621.42 and 520,026.26
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Solution
The fourth proportional to 1,239,266.93, 1,857,621.42 and 520,026.26 is: 779,502.70
Step by Step Solution
- Step 1: Write the proportion equation
1,239,266.93 : 1,857,621.42 = 520,026.26 : x - Step 2: Convert to fraction form
1,239,266.93/1,857,621.42 = 520,026.26/x - Step 3: Cross multiply
1,239,266.93x = 1,857,621.42 × 520,026.26 - Step 4: Simplify right side
1,239,266.93x = 966,011,910,250.38 - Step 5: Solve for x
x = 966,011,910,250.38/1,239,266.93 - Step 6: Final answer
x = 779,502.70
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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.