Finding the Fourth Proportional to 1,159,408.20, 1,598,134.26 and 913,992.84
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Solution
The fourth proportional to 1,159,408.20, 1,598,134.26 and 913,992.84 is: 1,259,852.46
Step by Step Solution
- Step 1: Write the proportion equation
1,159,408.20 : 1,598,134.26 = 913,992.84 : x - Step 2: Convert to fraction form
1,159,408.20/1,598,134.26 = 913,992.84/x - Step 3: Cross multiply
1,159,408.20x = 1,598,134.26 × 913,992.84 - Step 4: Simplify right side
1,159,408.20x = 1,460,683,270,998.70 - Step 5: Solve for x
x = 1,460,683,270,998.70/1,159,408.20 - Step 6: Final answer
x = 1,259,852.46
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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.