Finding the Fourth Proportional to 1,332,518.98, 1,838,876.18 and 720,671.73
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Solution
The fourth proportional to 1,332,518.98, 1,838,876.18 and 720,671.73 is: 994,526.98
Step by Step Solution
- Step 1: Write the proportion equation
1,332,518.98 : 1,838,876.18 = 720,671.73 : x - Step 2: Convert to fraction form
1,332,518.98/1,838,876.18 = 720,671.73/x - Step 3: Cross multiply
1,332,518.98x = 1,838,876.18 × 720,671.73 - Step 4: Simplify right side
1,332,518.98x = 1,325,226,077,740.93 - Step 5: Solve for x
x = 1,325,226,077,740.93/1,332,518.98 - Step 6: Final answer
x = 994,526.98
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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.