Finding the Fourth Proportional to 1,248,081.21, 1,722,352.41 and 704,332.26
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Solution
The fourth proportional to 1,248,081.21, 1,722,352.41 and 704,332.26 is: 971,978.71
Step by Step Solution
- Step 1: Write the proportion equation
1,248,081.21 : 1,722,352.41 = 704,332.26 : x - Step 2: Convert to fraction form
1,248,081.21/1,722,352.41 = 704,332.26/x - Step 3: Cross multiply
1,248,081.21x = 1,722,352.41 × 704,332.26 - Step 4: Simplify right side
1,248,081.21x = 1,213,108,365,451.75 - Step 5: Solve for x
x = 1,213,108,365,451.75/1,248,081.21 - Step 6: Final answer
x = 971,978.71
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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.