Finding the Fourth Proportional to 1,070,806.41, 1,604,067.67 and 644,106.75
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Solution
The fourth proportional to 1,070,806.41, 1,604,067.67 and 644,106.75 is: 964,871.71
Step by Step Solution
- Step 1: Write the proportion equation
1,070,806.41 : 1,604,067.67 = 644,106.75 : x - Step 2: Convert to fraction form
1,070,806.41/1,604,067.67 = 644,106.75/x - Step 3: Cross multiply
1,070,806.41x = 1,604,067.67 × 644,106.75 - Step 4: Simplify right side
1,070,806.41x = 1,033,190,813,703.77 - Step 5: Solve for x
x = 1,033,190,813,703.77/1,070,806.41 - Step 6: Final answer
x = 964,871.71
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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.