Finding the Fourth Proportional to 1,127,106.03, 1,690,918.25 and 368,971.95
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Solution
The fourth proportional to 1,127,106.03, 1,690,918.25 and 368,971.95 is: 553,542.78
Step by Step Solution
- Step 1: Write the proportion equation
1,127,106.03 : 1,690,918.25 = 368,971.95 : x - Step 2: Convert to fraction form
1,127,106.03/1,690,918.25 = 368,971.95/x - Step 3: Cross multiply
1,127,106.03x = 1,690,918.25 × 368,971.95 - Step 4: Simplify right side
1,127,106.03x = 623,901,402,148.23 - Step 5: Solve for x
x = 623,901,402,148.23/1,127,106.03 - Step 6: Final answer
x = 553,542.78
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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.