Finding the Fourth Proportional to 1,368,444.96, 1,888,525.44 and 824,752.80
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Solution
The fourth proportional to 1,368,444.96, 1,888,525.44 and 824,752.80 is: 1,138,201.89
Step by Step Solution
- Step 1: Write the proportion equation
1,368,444.96 : 1,888,525.44 = 824,752.80 : x - Step 2: Convert to fraction form
1,368,444.96/1,888,525.44 = 824,752.80/x - Step 3: Cross multiply
1,368,444.96x = 1,888,525.44 × 824,752.80 - Step 4: Simplify right side
1,368,444.96x = 1,557,566,644,511.23 - Step 5: Solve for x
x = 1,557,566,644,511.23/1,368,444.96 - Step 6: Final answer
x = 1,138,201.89
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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.