Finding the Fourth Proportional to 1,199,491.70, 1,799,237.55 and 313,027.70
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Solution
The fourth proportional to 1,199,491.70, 1,799,237.55 and 313,027.70 is: 469,541.55
Step by Step Solution
- Step 1: Write the proportion equation
1,199,491.70 : 1,799,237.55 = 313,027.70 : x - Step 2: Convert to fraction form
1,199,491.70/1,799,237.55 = 313,027.70/x - Step 3: Cross multiply
1,199,491.70x = 1,799,237.55 × 313,027.70 - Step 4: Simplify right side
1,199,491.70x = 563,211,192,030.14 - Step 5: Solve for x
x = 563,211,192,030.14/1,199,491.70 - Step 6: Final answer
x = 469,541.55
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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.