Finding the Fourth Proportional to 1,218,590.59, 1,828,227.58 and 489,625.68
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Solution
The fourth proportional to 1,218,590.59, 1,828,227.58 and 489,625.68 is: 734,575.81
Step by Step Solution
- Step 1: Write the proportion equation
1,218,590.59 : 1,828,227.58 = 489,625.68 : x - Step 2: Convert to fraction form
1,218,590.59/1,828,227.58 = 489,625.68/x - Step 3: Cross multiply
1,218,590.59x = 1,828,227.58 × 489,625.68 - Step 4: Simplify right side
1,218,590.59x = 895,147,167,400.26 - Step 5: Solve for x
x = 895,147,167,400.26/1,218,590.59 - Step 6: Final answer
x = 734,575.81
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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.