Finding the Fourth Proportional to 1,270,710.24, 1,753,610.76 and 689,958.06
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Solution
The fourth proportional to 1,270,710.24, 1,753,610.76 and 689,958.06 is: 952,158.75
Step by Step Solution
- Step 1: Write the proportion equation
1,270,710.24 : 1,753,610.76 = 689,958.06 : x - Step 2: Convert to fraction form
1,270,710.24/1,753,610.76 = 689,958.06/x - Step 3: Cross multiply
1,270,710.24x = 1,753,610.76 × 689,958.06 - Step 4: Simplify right side
1,270,710.24x = 1,209,917,877,964.73 - Step 5: Solve for x
x = 1,209,917,877,964.73/1,270,710.24 - Step 6: Final answer
x = 952,158.75
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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.