Finding the Fourth Proportional to 1,257,122.70, 1,883,610.45 and 1,070,498.70
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Solution
The fourth proportional to 1,257,122.70, 1,883,610.45 and 1,070,498.70 is: 1,603,982.28
Step by Step Solution
- Step 1: Write the proportion equation
1,257,122.70 : 1,883,610.45 = 1,070,498.70 : x - Step 2: Convert to fraction form
1,257,122.70/1,883,610.45 = 1,070,498.70/x - Step 3: Cross multiply
1,257,122.70x = 1,883,610.45 × 1,070,498.70 - Step 4: Simplify right side
1,257,122.70x = 2,016,402,538,031.41 - Step 5: Solve for x
x = 2,016,402,538,031.41/1,257,122.70 - Step 6: Final answer
x = 1,603,982.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.