Finding the Fourth Proportional to 1,088,974.22, 1,502,563.11 and 636,177.74
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Solution
The fourth proportional to 1,088,974.22, 1,502,563.11 and 636,177.74 is: 877,795.99
Step by Step Solution
- Step 1: Write the proportion equation
1,088,974.22 : 1,502,563.11 = 636,177.74 : x - Step 2: Convert to fraction form
1,088,974.22/1,502,563.11 = 636,177.74/x - Step 3: Cross multiply
1,088,974.22x = 1,502,563.11 × 636,177.74 - Step 4: Simplify right side
1,088,974.22x = 955,897,203,527.17 - Step 5: Solve for x
x = 955,897,203,527.17/1,088,974.22 - Step 6: Final answer
x = 877,795.99
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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.