Finding the Fourth Proportional to 1,114,130.12, 1,537,536.42 and 630,685.26
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Solution
The fourth proportional to 1,114,130.12, 1,537,536.42 and 630,685.26 is: 870,366.52
Step by Step Solution
- Step 1: Write the proportion equation
1,114,130.12 : 1,537,536.42 = 630,685.26 : x - Step 2: Convert to fraction form
1,114,130.12/1,537,536.42 = 630,685.26/x - Step 3: Cross multiply
1,114,130.12x = 1,537,536.42 × 630,685.26 - Step 4: Simplify right side
1,114,130.12x = 969,701,556,807.17 - Step 5: Solve for x
x = 969,701,556,807.17/1,114,130.12 - Step 6: Final answer
x = 870,366.52
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1.5x scale
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.