Finding the Fourth Proportional to 1,432,480.99, 1,976,824.77 and 787,950.22
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Solution
The fourth proportional to 1,432,480.99, 1,976,824.77 and 787,950.22 is: 1,087,371.85
Step by Step Solution
- Step 1: Write the proportion equation
1,432,480.99 : 1,976,824.77 = 787,950.22 : x - Step 2: Convert to fraction form
1,432,480.99/1,976,824.77 = 787,950.22/x - Step 3: Cross multiply
1,432,480.99x = 1,976,824.77 × 787,950.22 - Step 4: Simplify right side
1,432,480.99x = 1,557,639,502,538.83 - Step 5: Solve for x
x = 1,557,639,502,538.83/1,432,480.99 - Step 6: Final answer
x = 1,087,371.85
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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.