Finding the Fourth Proportional to 1,432,456.68, 1,976,827.62 and 787,893.79
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Solution
The fourth proportional to 1,432,456.68, 1,976,827.62 and 787,893.79 is: 1,087,314.00
Step by Step Solution
- Step 1: Write the proportion equation
1,432,456.68 : 1,976,827.62 = 787,893.79 : x - Step 2: Convert to fraction form
1,432,456.68/1,976,827.62 = 787,893.79/x - Step 3: Cross multiply
1,432,456.68x = 1,976,827.62 × 787,893.79 - Step 4: Simplify right side
1,432,456.68x = 1,557,530,205,698.48 - Step 5: Solve for x
x = 1,557,530,205,698.48/1,432,456.68 - Step 6: Final answer
x = 1,087,314.00
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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.