Finding the Fourth Proportional to 1,177,407, 1,765,445.70 and 408,544.08
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Solution
The fourth proportional to 1,177,407, 1,765,445.70 and 408,544.08 is: 612,585.44
Step by Step Solution
- Step 1: Write the proportion equation
1,177,407 : 1,765,445.70 = 408,544.08 : x - Step 2: Convert to fraction form
1,177,407/1,765,445.70 = 408,544.08/x - Step 3: Cross multiply
1,177,407x = 1,765,445.70 × 408,544.08 - Step 4: Simplify right side
1,177,407x = 721,262,389,296.46 - Step 5: Solve for x
x = 721,262,389,296.46/1,177,407 - Step 6: Final answer
x = 612,585.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.