Finding the Fourth Proportional to 1,159,279.17, 1,599,478.19 and 751,398.21
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Solution
The fourth proportional to 1,159,279.17, 1,599,478.19 and 751,398.21 is: 1,036,717.54
Step by Step Solution
- Step 1: Write the proportion equation
1,159,279.17 : 1,599,478.19 = 751,398.21 : x - Step 2: Convert to fraction form
1,159,279.17/1,599,478.19 = 751,398.21/x - Step 3: Cross multiply
1,159,279.17x = 1,599,478.19 × 751,398.21 - Step 4: Simplify right side
1,159,279.17x = 1,201,845,045,143.05 - Step 5: Solve for x
x = 1,201,845,045,143.05/1,159,279.17 - Step 6: Final answer
x = 1,036,717.54
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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.