Finding the Fourth Proportional to 1,278,734.14, 1,917,489.21 and 604,252.54
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Solution
The fourth proportional to 1,278,734.14, 1,917,489.21 and 604,252.54 is: 906,089.62
Step by Step Solution
- Step 1: Write the proportion equation
1,278,734.14 : 1,917,489.21 = 604,252.54 : x - Step 2: Convert to fraction form
1,278,734.14/1,917,489.21 = 604,252.54/x - Step 3: Cross multiply
1,278,734.14x = 1,917,489.21 × 604,252.54 - Step 4: Simplify right side
1,278,734.14x = 1,158,647,725,565.09 - Step 5: Solve for x
x = 1,158,647,725,565.09/1,278,734.14 - Step 6: Final answer
x = 906,089.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.