Finding the Fourth Proportional to 1,137,701.19, 1,569,893.88 and 628,373.19
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Solution
The fourth proportional to 1,137,701.19, 1,569,893.88 and 628,373.19 is: 867,081.12
Step by Step Solution
- Step 1: Write the proportion equation
1,137,701.19 : 1,569,893.88 = 628,373.19 : x - Step 2: Convert to fraction form
1,137,701.19/1,569,893.88 = 628,373.19/x - Step 3: Cross multiply
1,137,701.19x = 1,569,893.88 × 628,373.19 - Step 4: Simplify right side
1,137,701.19x = 986,479,225,337.08 - Step 5: Solve for x
x = 986,479,225,337.08/1,137,701.19 - Step 6: Final answer
x = 867,081.12
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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.