Finding the Fourth Proportional to 1,191,324.24, 1,644,021.36 and 647,451.36
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Solution
The fourth proportional to 1,191,324.24, 1,644,021.36 and 647,451.36 is: 893,479.57
Step by Step Solution
- Step 1: Write the proportion equation
1,191,324.24 : 1,644,021.36 = 647,451.36 : x - Step 2: Convert to fraction form
1,191,324.24/1,644,021.36 = 647,451.36/x - Step 3: Cross multiply
1,191,324.24x = 1,644,021.36 × 647,451.36 - Step 4: Simplify right side
1,191,324.24x = 1,064,423,865,401.05 - Step 5: Solve for x
x = 1,064,423,865,401.05/1,191,324.24 - Step 6: Final answer
x = 893,479.57
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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.