Finding the Fourth Proportional to 1,237,981.62, 1,708,006.25 and 747,768.00
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Solution
The fourth proportional to 1,237,981.62, 1,708,006.25 and 747,768.00 is: 1,031,673.17
Step by Step Solution
- Step 1: Write the proportion equation
1,237,981.62 : 1,708,006.25 = 747,768.00 : x - Step 2: Convert to fraction form
1,237,981.62/1,708,006.25 = 747,768.00/x - Step 3: Cross multiply
1,237,981.62x = 1,708,006.25 × 747,768.00 - Step 4: Simplify right side
1,237,981.62x = 1,277,192,421,618.25 - Step 5: Solve for x
x = 1,277,192,421,618.25/1,237,981.62 - Step 6: Final answer
x = 1,031,673.17
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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.