Finding the Fourth Proportional to 1,299,348.09, 1,948,135.19 and 692,227.17
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Solution
The fourth proportional to 1,299,348.09, 1,948,135.19 and 692,227.17 is: 1,037,868.23
Step by Step Solution
- Step 1: Write the proportion equation
1,299,348.09 : 1,948,135.19 = 692,227.17 : x - Step 2: Convert to fraction form
1,299,348.09/1,948,135.19 = 692,227.17/x - Step 3: Cross multiply
1,299,348.09x = 1,948,135.19 × 692,227.17 - Step 4: Simplify right side
1,299,348.09x = 1,348,552,105,889.98 - Step 5: Solve for x
x = 1,348,552,105,889.98/1,299,348.09 - Step 6: Final answer
x = 1,037,868.23
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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.