Finding the Fourth Proportional to 1,313,068.44, 1,812,048.30 and 740,108.70
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Solution
The fourth proportional to 1,313,068.44, 1,812,048.30 and 740,108.70 is: 1,021,357.81
Step by Step Solution
- Step 1: Write the proportion equation
1,313,068.44 : 1,812,048.30 = 740,108.70 : x - Step 2: Convert to fraction form
1,313,068.44/1,812,048.30 = 740,108.70/x - Step 3: Cross multiply
1,313,068.44x = 1,812,048.30 × 740,108.70 - Step 4: Simplify right side
1,313,068.44x = 1,341,112,711,650.21 - Step 5: Solve for x
x = 1,341,112,711,650.21/1,313,068.44 - Step 6: Final answer
x = 1,021,357.81
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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.