Finding the Fourth Proportional to 1,283,722.90, 1,771,592.94 and 710,763.05
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Solution
The fourth proportional to 1,283,722.90, 1,771,592.94 and 710,763.05 is: 980,883.65
Step by Step Solution
- Step 1: Write the proportion equation
1,283,722.90 : 1,771,592.94 = 710,763.05 : x - Step 2: Convert to fraction form
1,283,722.90/1,771,592.94 = 710,763.05/x - Step 3: Cross multiply
1,283,722.90x = 1,771,592.94 × 710,763.05 - Step 4: Simplify right side
1,283,722.90x = 1,259,182,801,392.87 - Step 5: Solve for x
x = 1,259,182,801,392.87/1,283,722.90 - Step 6: Final answer
x = 980,883.65
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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.