Finding the Fourth Proportional to 1,351,324.18, 1,864,827.54 and 739,477.08
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Solution
The fourth proportional to 1,351,324.18, 1,864,827.54 and 739,477.08 is: 1,020,478.46
Step by Step Solution
- Step 1: Write the proportion equation
1,351,324.18 : 1,864,827.54 = 739,477.08 : x - Step 2: Convert to fraction form
1,351,324.18/1,864,827.54 = 739,477.08/x - Step 3: Cross multiply
1,351,324.18x = 1,864,827.54 × 739,477.08 - Step 4: Simplify right side
1,351,324.18x = 1,378,997,214,658.65 - Step 5: Solve for x
x = 1,378,997,214,658.65/1,351,324.18 - Step 6: Final answer
x = 1,020,478.46
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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.