Finding the Fourth Proportional to 1,192,545.99, 1,645,753.95 and 683,346.78
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Solution
The fourth proportional to 1,192,545.99, 1,645,753.95 and 683,346.78 is: 943,041.75
Step by Step Solution
- Step 1: Write the proportion equation
1,192,545.99 : 1,645,753.95 = 683,346.78 : x - Step 2: Convert to fraction form
1,192,545.99/1,645,753.95 = 683,346.78/x - Step 3: Cross multiply
1,192,545.99x = 1,645,753.95 × 683,346.78 - Step 4: Simplify right side
1,192,545.99x = 1,124,620,662,404.78 - Step 5: Solve for x
x = 1,124,620,662,404.78/1,192,545.99 - Step 6: Final answer
x = 943,041.75
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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.