Finding the Fourth Proportional to 1,129,306.18, 1,557,758.37 and 670,118.80
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Solution
The fourth proportional to 1,129,306.18, 1,557,758.37 and 670,118.80 is: 924,357.97
Step by Step Solution
- Step 1: Write the proportion equation
1,129,306.18 : 1,557,758.37 = 670,118.80 : x - Step 2: Convert to fraction form
1,129,306.18/1,557,758.37 = 670,118.80/x - Step 3: Cross multiply
1,129,306.18x = 1,557,758.37 × 670,118.80 - Step 4: Simplify right side
1,129,306.18x = 1,043,883,169,594.36 - Step 5: Solve for x
x = 1,043,883,169,594.36/1,129,306.18 - Step 6: Final answer
x = 924,357.97
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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.