Finding the Fourth Proportional to 1,056,713.58, 1,581,466.68 and 672,268.14
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Solution
The fourth proportional to 1,056,713.58, 1,581,466.68 and 672,268.14 is: 1,006,109.59
Step by Step Solution
- Step 1: Write the proportion equation
1,056,713.58 : 1,581,466.68 = 672,268.14 : x - Step 2: Convert to fraction form
1,056,713.58/1,581,466.68 = 672,268.14/x - Step 3: Cross multiply
1,056,713.58x = 1,581,466.68 × 672,268.14 - Step 4: Simplify right side
1,056,713.58x = 1,063,169,663,435.58 - Step 5: Solve for x
x = 1,063,169,663,435.58/1,056,713.58 - Step 6: Final answer
x = 1,006,109.59
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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.