Finding the Fourth Proportional to 1,352,358.18, 1,866,171.76 and 740,518.20
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Solution
The fourth proportional to 1,352,358.18, 1,866,171.76 and 740,518.20 is: 1,021,869.92
Step by Step Solution
- Step 1: Write the proportion equation
1,352,358.18 : 1,866,171.76 = 740,518.20 : x - Step 2: Convert to fraction form
1,352,358.18/1,866,171.76 = 740,518.20/x - Step 3: Cross multiply
1,352,358.18x = 1,866,171.76 × 740,518.20 - Step 4: Simplify right side
1,352,358.18x = 1,381,934,150,754.74 - Step 5: Solve for x
x = 1,381,934,150,754.74/1,352,358.18 - Step 6: Final answer
x = 1,021,869.92
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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.