Finding the Fourth Proportional to 1,448,071.74, 1,998,352.80 and 803,551.92
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Solution
The fourth proportional to 1,448,071.74, 1,998,352.80 and 803,551.92 is: 1,108,909.31
Step by Step Solution
- Step 1: Write the proportion equation
1,448,071.74 : 1,998,352.80 = 803,551.92 : x - Step 2: Convert to fraction form
1,448,071.74/1,998,352.80 = 803,551.92/x - Step 3: Cross multiply
1,448,071.74x = 1,998,352.80 × 803,551.92 - Step 4: Simplify right side
1,448,071.74x = 1,605,780,229,277.38 - Step 5: Solve for x
x = 1,605,780,229,277.38/1,448,071.74 - Step 6: Final answer
x = 1,108,909.31
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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.