Finding the Fourth Proportional to 1,252,973.08, 1,729,102.14 and 709,098.99
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Solution
The fourth proportional to 1,252,973.08, 1,729,102.14 and 709,098.99 is: 978,556.20
Step by Step Solution
- Step 1: Write the proportion equation
1,252,973.08 : 1,729,102.14 = 709,098.99 : x - Step 2: Convert to fraction form
1,252,973.08/1,729,102.14 = 709,098.99/x - Step 3: Cross multiply
1,252,973.08x = 1,729,102.14 × 709,098.99 - Step 4: Simplify right side
1,252,973.08x = 1,226,104,581,080.84 - Step 5: Solve for x
x = 1,226,104,581,080.84/1,252,973.08 - Step 6: Final answer
x = 978,556.20
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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.