Finding the Fourth Proportional to 1,287,053.91, 1,776,129.48 and 706,286.66
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Solution
The fourth proportional to 1,287,053.91, 1,776,129.48 and 706,286.66 is: 974,672.89
Step by Step Solution
- Step 1: Write the proportion equation
1,287,053.91 : 1,776,129.48 = 706,286.66 : x - Step 2: Convert to fraction form
1,287,053.91/1,776,129.48 = 706,286.66/x - Step 3: Cross multiply
1,287,053.91x = 1,776,129.48 × 706,286.66 - Step 4: Simplify right side
1,287,053.91x = 1,254,456,549,276.09 - Step 5: Solve for x
x = 1,254,456,549,276.09/1,287,053.91 - Step 6: Final answer
x = 974,672.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.