Finding the Fourth Proportional to 1,129,519.17, 1,694,279.36 and 709,090.29
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Solution
The fourth proportional to 1,129,519.17, 1,694,279.36 and 709,090.29 is: 1,063,635.82
Step by Step Solution
- Step 1: Write the proportion equation
1,129,519.17 : 1,694,279.36 = 709,090.29 : x - Step 2: Convert to fraction form
1,129,519.17/1,694,279.36 = 709,090.29/x - Step 3: Cross multiply
1,129,519.17x = 1,694,279.36 × 709,090.29 - Step 4: Simplify right side
1,129,519.17x = 1,201,397,044,496.14 - Step 5: Solve for x
x = 1,201,397,044,496.14/1,129,519.17 - Step 6: Final answer
x = 1,063,635.82
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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.