Finding the Fourth Proportional to 1,685,926.08, 2,528,886.24 and 787,066.56
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Solution
The fourth proportional to 1,685,926.08, 2,528,886.24 and 787,066.56 is: 1,180,598.50
Step by Step Solution
- Step 1: Write the proportion equation
1,685,926.08 : 2,528,886.24 = 787,066.56 : x - Step 2: Convert to fraction form
1,685,926.08/2,528,886.24 = 787,066.56/x - Step 3: Cross multiply
1,685,926.08x = 2,528,886.24 × 787,066.56 - Step 4: Simplify right side
1,685,926.08x = 1,990,401,793,548.13 - Step 5: Solve for x
x = 1,990,401,793,548.13/1,685,926.08 - Step 6: Final answer
x = 1,180,598.50
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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.