Finding the Fourth Proportional to 1,127,106.53, 1,690,919.00 and 368,972.45
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Solution
The fourth proportional to 1,127,106.53, 1,690,919.00 and 368,972.45 is: 553,543.53
Step by Step Solution
- Step 1: Write the proportion equation
1,127,106.53 : 1,690,919.00 = 368,972.45 : x - Step 2: Convert to fraction form
1,127,106.53/1,690,919.00 = 368,972.45/x - Step 3: Cross multiply
1,127,106.53x = 1,690,919.00 × 368,972.45 - Step 4: Simplify right side
1,127,106.53x = 623,902,524,336.69 - Step 5: Solve for x
x = 623,902,524,336.69/1,127,106.53 - Step 6: Final answer
x = 553,543.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.