Finding the Fourth Proportional to 1,457,403.65, 2,183,177.76 and 725,722.55
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Solution
The fourth proportional to 1,457,403.65, 2,183,177.76 and 725,722.55 is: 1,087,125.95
Step by Step Solution
- Step 1: Write the proportion equation
1,457,403.65 : 2,183,177.76 = 725,722.55 : x - Step 2: Convert to fraction form
1,457,403.65/2,183,177.76 = 725,722.55/x - Step 3: Cross multiply
1,457,403.65x = 2,183,177.76 × 725,722.55 - Step 4: Simplify right side
1,457,403.65x = 1,584,381,320,174.60 - Step 5: Solve for x
x = 1,584,381,320,174.60/1,457,403.65 - Step 6: Final answer
x = 1,087,125.95
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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.