Finding the Fourth Proportional to 1,431,449.24, 1,975,402.08 and 786,873.36
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Solution
The fourth proportional to 1,431,449.24, 1,975,402.08 and 786,873.36 is: 1,085,886.40
Step by Step Solution
- Step 1: Write the proportion equation
1,431,449.24 : 1,975,402.08 = 786,873.36 : x - Step 2: Convert to fraction form
1,431,449.24/1,975,402.08 = 786,873.36/x - Step 3: Cross multiply
1,431,449.24x = 1,975,402.08 × 786,873.36 - Step 4: Simplify right side
1,431,449.24x = 1,554,391,261,682.06 - Step 5: Solve for x
x = 1,554,391,261,682.06/1,431,449.24 - Step 6: Final answer
x = 1,085,886.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.