Finding the Fourth Proportional to 1,271,054.40, 1,754,065.44 and 698,101.44
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Solution
The fourth proportional to 1,271,054.40, 1,754,065.44 and 698,101.44 is: 963,385.68
Step by Step Solution
- Step 1: Write the proportion equation
1,271,054.40 : 1,754,065.44 = 698,101.44 : x - Step 2: Convert to fraction form
1,271,054.40/1,754,065.44 = 698,101.44/x - Step 3: Cross multiply
1,271,054.40x = 1,754,065.44 × 698,101.44 - Step 4: Simplify right side
1,271,054.40x = 1,224,515,609,518.23 - Step 5: Solve for x
x = 1,224,515,609,518.23/1,271,054.40 - Step 6: Final answer
x = 963,385.68
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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.