Finding the Fourth Proportional to 1,290,073.03, 1,935,183.35 and 391,544.08
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Solution
The fourth proportional to 1,290,073.03, 1,935,183.35 and 391,544.08 is: 587,338.52
Step by Step Solution
- Step 1: Write the proportion equation
1,290,073.03 : 1,935,183.35 = 391,544.08 : x - Step 2: Convert to fraction form
1,290,073.03/1,935,183.35 = 391,544.08/x - Step 3: Cross multiply
1,290,073.03x = 1,935,183.35 × 391,544.08 - Step 4: Simplify right side
1,290,073.03x = 757,709,580,547.97 - Step 5: Solve for x
x = 757,709,580,547.97/1,290,073.03 - Step 6: Final answer
x = 587,338.52
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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.