Finding the Fourth Proportional to 1,122,292.96, 1,684,110.15 and 412,392.76
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Solution
The fourth proportional to 1,122,292.96, 1,684,110.15 and 412,392.76 is: 618,835.59
Step by Step Solution
- Step 1: Write the proportion equation
1,122,292.96 : 1,684,110.15 = 412,392.76 : x - Step 2: Convert to fraction form
1,122,292.96/1,684,110.15 = 412,392.76/x - Step 3: Cross multiply
1,122,292.96x = 1,684,110.15 × 412,392.76 - Step 4: Simplify right side
1,122,292.96x = 694,514,828,692.24 - Step 5: Solve for x
x = 694,514,828,692.24/1,122,292.96 - Step 6: Final answer
x = 618,835.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.