Finding the Fourth Proportional to 1,320,959.34, 1,822,930.88 and 740,183.70
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Solution
The fourth proportional to 1,320,959.34, 1,822,930.88 and 740,183.70 is: 1,021,457.42
Step by Step Solution
- Step 1: Write the proportion equation
1,320,959.34 : 1,822,930.88 = 740,183.70 : x - Step 2: Convert to fraction form
1,320,959.34/1,822,930.88 = 740,183.70/x - Step 3: Cross multiply
1,320,959.34x = 1,822,930.88 × 740,183.70 - Step 4: Simplify right side
1,320,959.34x = 1,349,303,719,901.74 - Step 5: Solve for x
x = 1,349,303,719,901.74/1,320,959.34 - Step 6: Final answer
x = 1,021,457.42
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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.