Finding the Fourth Proportional to 1,127,106.16, 1,690,918.43 and 368,972.08
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Solution
The fourth proportional to 1,127,106.16, 1,690,918.43 and 368,972.08 is: 553,542.96
Step by Step Solution
- Step 1: Write the proportion equation
1,127,106.16 : 1,690,918.43 = 368,972.08 : x - Step 2: Convert to fraction form
1,127,106.16/1,690,918.43 = 368,972.08/x - Step 3: Cross multiply
1,127,106.16x = 1,690,918.43 × 368,972.08 - Step 4: Simplify right side
1,127,106.16x = 623,901,682,695.27 - Step 5: Solve for x
x = 623,901,682,695.27/1,127,106.16 - Step 6: Final answer
x = 553,542.96
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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.