Finding the Fourth Proportional to 1,358,129.41, 1,874,108.89 and 785,206.49
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Solution
The fourth proportional to 1,358,129.41, 1,874,108.89 and 785,206.49 is: 1,083,521.54
Step by Step Solution
- Step 1: Write the proportion equation
1,358,129.41 : 1,874,108.89 = 785,206.49 : x - Step 2: Convert to fraction form
1,358,129.41/1,874,108.89 = 785,206.49/x - Step 3: Cross multiply
1,358,129.41x = 1,874,108.89 × 785,206.49 - Step 4: Simplify right side
1,358,129.41x = 1,471,562,463,394.70 - Step 5: Solve for x
x = 1,471,562,463,394.70/1,358,129.41 - Step 6: Final answer
x = 1,083,521.54
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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.