Finding the Fourth Proportional to 1,261,021.92, 1,887,094.80 and 787,930.08
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Solution
The fourth proportional to 1,261,021.92, 1,887,094.80 and 787,930.08 is: 1,179,122.05
Step by Step Solution
- Step 1: Write the proportion equation
1,261,021.92 : 1,887,094.80 = 787,930.08 : x - Step 2: Convert to fraction form
1,261,021.92/1,887,094.80 = 787,930.08/x - Step 3: Cross multiply
1,261,021.92x = 1,887,094.80 × 787,930.08 - Step 4: Simplify right side
1,261,021.92x = 1,486,898,756,731.58 - Step 5: Solve for x
x = 1,486,898,756,731.58/1,261,021.92 - Step 6: Final answer
x = 1,179,122.05
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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.