Finding the Fourth Proportional to 1,114,207.24, 1,537,701.16 and 630,857.56
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Solution
The fourth proportional to 1,114,207.24, 1,537,701.16 and 630,857.56 is: 870,637.32
Step by Step Solution
- Step 1: Write the proportion equation
1,114,207.24 : 1,537,701.16 = 630,857.56 : x - Step 2: Convert to fraction form
1,114,207.24/1,537,701.16 = 630,857.56/x - Step 3: Cross multiply
1,114,207.24x = 1,537,701.16 × 630,857.56 - Step 4: Simplify right side
1,114,207.24x = 970,070,401,806.77 - Step 5: Solve for x
x = 970,070,401,806.77/1,114,207.24 - Step 6: Final answer
x = 870,637.32
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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.