Finding the Fourth Proportional to 1,349,198.90, 1,862,124.84 and 805,362.74
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Solution
The fourth proportional to 1,349,198.90, 1,862,124.84 and 805,362.74 is: 1,111,538.08
Step by Step Solution
- Step 1: Write the proportion equation
1,349,198.90 : 1,862,124.84 = 805,362.74 : x - Step 2: Convert to fraction form
1,349,198.90/1,862,124.84 = 805,362.74/x - Step 3: Cross multiply
1,349,198.90x = 1,862,124.84 × 805,362.74 - Step 4: Simplify right side
1,349,198.90x = 1,499,685,954,053.84 - Step 5: Solve for x
x = 1,499,685,954,053.84/1,349,198.90 - Step 6: Final answer
x = 1,111,538.08
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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.