Finding the Fourth Proportional to 1,112,183.34, 1,668,404.74 and 402,545.58
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Solution
The fourth proportional to 1,112,183.34, 1,668,404.74 and 402,545.58 is: 603,865.32
Step by Step Solution
- Step 1: Write the proportion equation
1,112,183.34 : 1,668,404.74 = 402,545.58 : x - Step 2: Convert to fraction form
1,112,183.34/1,668,404.74 = 402,545.58/x - Step 3: Cross multiply
1,112,183.34x = 1,668,404.74 × 402,545.58 - Step 4: Simplify right side
1,112,183.34x = 671,608,953,738.05 - Step 5: Solve for x
x = 671,608,953,738.05/1,112,183.34 - Step 6: Final answer
x = 603,865.32
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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.