Finding the Fourth Proportional to 1,307,730.96, 1,804,040.32 and 1,126,127.63
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Solution
The fourth proportional to 1,307,730.96, 1,804,040.32 and 1,126,127.63 is: 1,553,514.99
Step by Step Solution
- Step 1: Write the proportion equation
1,307,730.96 : 1,804,040.32 = 1,126,127.63 : x - Step 2: Convert to fraction form
1,307,730.96/1,804,040.32 = 1,126,127.63/x - Step 3: Cross multiply
1,307,730.96x = 1,804,040.32 × 1,126,127.63 - Step 4: Simplify right side
1,307,730.96x = 2,031,579,649,986.04 - Step 5: Solve for x
x = 2,031,579,649,986.04/1,307,730.96 - Step 6: Final answer
x = 1,553,514.99
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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.