Finding the Fourth Proportional to 1,279,198.17, 1,765,267.11 and 735,319.98
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Solution
The fourth proportional to 1,279,198.17, 1,765,267.11 and 735,319.98 is: 1,014,726.42
Step by Step Solution
- Step 1: Write the proportion equation
1,279,198.17 : 1,765,267.11 = 735,319.98 : x - Step 2: Convert to fraction form
1,279,198.17/1,765,267.11 = 735,319.98/x - Step 3: Cross multiply
1,279,198.17x = 1,765,267.11 × 735,319.98 - Step 4: Simplify right side
1,279,198.17x = 1,298,036,176,019.86 - Step 5: Solve for x
x = 1,298,036,176,019.86/1,279,198.17 - Step 6: Final answer
x = 1,014,726.42
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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.