Finding the Fourth Proportional to 1,017,125.74, 1,403,826.87 and 672,968.62
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Solution
The fourth proportional to 1,017,125.74, 1,403,826.87 and 672,968.62 is: 928,824.62
Step by Step Solution
- Step 1: Write the proportion equation
1,017,125.74 : 1,403,826.87 = 672,968.62 : x - Step 2: Convert to fraction form
1,017,125.74/1,403,826.87 = 672,968.62/x - Step 3: Cross multiply
1,017,125.74x = 1,403,826.87 × 672,968.62 - Step 4: Simplify right side
1,017,125.74x = 944,731,431,422.82 - Step 5: Solve for x
x = 944,731,431,422.82/1,017,125.74 - Step 6: Final answer
x = 928,824.62
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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.