Finding the Fourth Proportional to 1,191,541.61, 1,644,320.76 and 675,393.09
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Solution
The fourth proportional to 1,191,541.61, 1,644,320.76 and 675,393.09 is: 932,038.69
Step by Step Solution
- Step 1: Write the proportion equation
1,191,541.61 : 1,644,320.76 = 675,393.09 : x - Step 2: Convert to fraction form
1,191,541.61/1,644,320.76 = 675,393.09/x - Step 3: Cross multiply
1,191,541.61x = 1,644,320.76 × 675,393.09 - Step 4: Simplify right side
1,191,541.61x = 1,110,562,879,047.55 - Step 5: Solve for x
x = 1,110,562,879,047.55/1,191,541.61 - Step 6: Final answer
x = 932,038.69
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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.