Finding the Fourth Proportional to 1,321,740.18, 1,824,091.65 and 748,785.06
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Solution
The fourth proportional to 1,321,740.18, 1,824,091.65 and 748,785.06 is: 1,033,374.48
Step by Step Solution
- Step 1: Write the proportion equation
1,321,740.18 : 1,824,091.65 = 748,785.06 : x - Step 2: Convert to fraction form
1,321,740.18/1,824,091.65 = 748,785.06/x - Step 3: Cross multiply
1,321,740.18x = 1,824,091.65 × 748,785.06 - Step 4: Simplify right side
1,321,740.18x = 1,365,852,575,590.75 - Step 5: Solve for x
x = 1,365,852,575,590.75/1,321,740.18 - Step 6: Final answer
x = 1,033,374.48
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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.