Finding the Fourth Proportional to 1,034,587.44, 1,426,921.84 and 672,128.08
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Solution
The fourth proportional to 1,034,587.44, 1,426,921.84 and 672,128.08 is: 927,011.29
Step by Step Solution
- Step 1: Write the proportion equation
1,034,587.44 : 1,426,921.84 = 672,128.08 : x - Step 2: Convert to fraction form
1,034,587.44/1,426,921.84 = 672,128.08/x - Step 3: Cross multiply
1,034,587.44x = 1,426,921.84 × 672,128.08 - Step 4: Simplify right side
1,034,587.44x = 959,074,236,629.27 - Step 5: Solve for x
x = 959,074,236,629.27/1,034,587.44 - Step 6: Final answer
x = 927,011.29
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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.