Finding the Fourth Proportional to 1,261,043.02, 1,740,239.40 and 808,334.02
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Solution
The fourth proportional to 1,261,043.02, 1,740,239.40 and 808,334.02 is: 1,115,500.97
Step by Step Solution
- Step 1: Write the proportion equation
1,261,043.02 : 1,740,239.40 = 808,334.02 : x - Step 2: Convert to fraction form
1,261,043.02/1,740,239.40 = 808,334.02/x - Step 3: Cross multiply
1,261,043.02x = 1,740,239.40 × 808,334.02 - Step 4: Simplify right side
1,261,043.02x = 1,406,694,709,964.39 - Step 5: Solve for x
x = 1,406,694,709,964.39/1,261,043.02 - Step 6: Final answer
x = 1,115,500.97
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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.