Finding the Fourth Proportional to 1,126,237.23, 1,689,341.75 and 273,315.95
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Solution
The fourth proportional to 1,126,237.23, 1,689,341.75 and 273,315.95 is: 409,970.50
Step by Step Solution
- Step 1: Write the proportion equation
1,126,237.23 : 1,689,341.75 = 273,315.95 : x - Step 2: Convert to fraction form
1,126,237.23/1,689,341.75 = 273,315.95/x - Step 3: Cross multiply
1,126,237.23x = 1,689,341.75 × 273,315.95 - Step 4: Simplify right side
1,126,237.23x = 461,724,045,275.91 - Step 5: Solve for x
x = 461,724,045,275.91/1,126,237.23 - Step 6: Final answer
x = 409,970.50
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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.