Finding the Fourth Proportional to 1,248,425.08, 1,722,336.42 and 725,046.58
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Solution
The fourth proportional to 1,248,425.08, 1,722,336.42 and 725,046.58 is: 1,000,279.59
Step by Step Solution
- Step 1: Write the proportion equation
1,248,425.08 : 1,722,336.42 = 725,046.58 : x - Step 2: Convert to fraction form
1,248,425.08/1,722,336.42 = 725,046.58/x - Step 3: Cross multiply
1,248,425.08x = 1,722,336.42 × 725,046.58 - Step 4: Simplify right side
1,248,425.08x = 1,248,774,130,930.44 - Step 5: Solve for x
x = 1,248,774,130,930.44/1,248,425.08 - Step 6: Final answer
x = 1,000,279.59
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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.