Finding the Fourth Proportional to 1,326,865.09, 1,989,118.95 and 517,062.05
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Solution
The fourth proportional to 1,326,865.09, 1,989,118.95 and 517,062.05 is: 775,133.76
Step by Step Solution
- Step 1: Write the proportion equation
1,326,865.09 : 1,989,118.95 = 517,062.05 : x - Step 2: Convert to fraction form
1,326,865.09/1,989,118.95 = 517,062.05/x - Step 3: Cross multiply
1,326,865.09x = 1,989,118.95 × 517,062.05 - Step 4: Simplify right side
1,326,865.09x = 1,028,497,921,980.85 - Step 5: Solve for x
x = 1,028,497,921,980.85/1,326,865.09 - Step 6: Final answer
x = 775,133.76
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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.