Finding the Fourth Proportional to 1,271,591.16, 1,907,090.80 and 473,248.68
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Solution
The fourth proportional to 1,271,591.16, 1,907,090.80 and 473,248.68 is: 709,762.88
Step by Step Solution
- Step 1: Write the proportion equation
1,271,591.16 : 1,907,090.80 = 473,248.68 : x - Step 2: Convert to fraction form
1,271,591.16/1,907,090.80 = 473,248.68/x - Step 3: Cross multiply
1,271,591.16x = 1,907,090.80 × 473,248.68 - Step 4: Simplify right side
1,271,591.16x = 902,528,203,740.14 - Step 5: Solve for x
x = 902,528,203,740.14/1,271,591.16 - Step 6: Final answer
x = 709,762.88
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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.