Finding the Fourth Proportional to 1,346,859.99, 2,020,659.03 and 672,126.75
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Solution
The fourth proportional to 1,346,859.99, 2,020,659.03 and 672,126.75 is: 1,008,374.29
Step by Step Solution
- Step 1: Write the proportion equation
1,346,859.99 : 2,020,659.03 = 672,126.75 : x - Step 2: Convert to fraction form
1,346,859.99/2,020,659.03 = 672,126.75/x - Step 3: Cross multiply
1,346,859.99x = 2,020,659.03 × 672,126.75 - Step 4: Simplify right side
1,346,859.99x = 1,358,138,986,692.05 - Step 5: Solve for x
x = 1,358,138,986,692.05/1,346,859.99 - Step 6: Final answer
x = 1,008,374.29
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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.